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Extensions

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Warning: Tool safety info - Download Safety PDF

Warning: Comfort or plastic grips do not protect against electric shock.

01

features & benefits

Features & benefits

- Designed for superior performance in a variety of lengths for hard-to-reach applications.
- Forged and Machined for Best Fit and Unyielding Strength
- Precision Heat-Treated and tempered for optimal hardness, ductility and durability
- Easy to read stamp pattern in order to quickly determine opening size
- Made in the USA. Designed, Engineered and Manufactured in Barberton, OH
- Meets and exceeds ASME B107 hand tool standards
02

products

part number
Country of Origin
Drive Size
Description
Part Number
2402
Country of Origin
UNITED STATES
Drive Size
1/4"
Description
2" Extension
part number 2402
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
General Service Set—1/4", 3/8" & 1/2" Drives
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Aircraft Mechanic’s Starter Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Set 212 6 Pt Standard SAE Socket Set - 12 Pc
Set 218 6 & 8 Pt Standard SAE Socket Set - 18 Pc
Set 223 Standard & Deep SAE Socket Set 25 Pc
Set 236 6, 12 & 8 Pt. Standard & Deep SAE Socket SET 35 Pc
Set 221 6 Pt Standard Metric Socket Set
Set 224 6 Pt. Standard & Deep Metric Socket Set - 25 Pc
Set 223-MC 6 Pt. SAE Standard & Deep Blow Mold Socket Set 25 Pc
Part Number
2404
Country of Origin
UNITED STATES
Drive Size
1/4"
Description
4" Extension
part number 2404
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Set 236 6, 12 & 8 Pt. Standard & Deep SAE Socket SET 35 Pc
Part Number
2406
Country of Origin
UNITED STATES
Drive Size
1/4"
Description
6" Extension
part number 2406
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
Mechanics Set—1/4", 3/8" & 1/2" Drives
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Aircraft Mechanic’s Starter Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Set 218 6 & 8 Pt Standard SAE Socket Set - 18 Pc
Set 223 Standard & Deep SAE Socket Set 25 Pc
Set 236 6, 12 & 8 Pt. Standard & Deep SAE Socket SET 35 Pc
Set 221 6 Pt Standard Metric Socket Set
Set 224 6 Pt. Standard & Deep Metric Socket Set - 25 Pc
Set 223-MC 6 Pt. SAE Standard & Deep Blow Mold Socket Set 25 Pc
Part Number
2410
Country of Origin
UNITED STATES
Drive Size
1/4"
Description
10" Extension
part number 2410
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Part Number
2414
Country of Origin
UNITED STATES
Drive Size
1/4"
Description
14" Extension
part number 2414
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Part Number
3402
Country of Origin
UNITED STATES
Drive Size
3/8"
Description
1-1/2" Extension
part number 3402
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Part Number
3403
Country of Origin
UNITED STATES
Drive Size
3/8"
Description
3" Extension
part number 3403
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
General Maintenance Set—1/4", 3/8" & 1/2" Drives
Mechanics Set—1/4", 3/8" & 1/2" Drives
General Service Set—1/4", 3/8" & 1/2" Drives
Starter Set—3/8" & 1/2" Drives
Apprentice Set—3/8" Drive
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Aircraft Mechanic’s Starter Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Metric Service Set—1/4", 3/8" & 1/2" Drives
Set 348 SAE 12 Pt. Standard Sockets, 6 & 12 Pt. Deep Sockets, 12 Pt. Flex Sockets, 8 Pt. Standard Sockets, Standard Hex Bit & Screwdriver Bit Sockets with Bit Set 56 Pc
Set 346 SAE 12 Pt. Standard & Deep Sockets, 8 Pt. Standard Sockets & 12 Pt. Flex Sockets Set 32 Pc
Set 339 6 Pt Standard & Deep SAE Socket Set 31 Pc
Set 340 12 Pt. Standard & Deep SAE Socket Set 29 Pc
Set 334 12 Pt. Standard SAE Socket Set 14 Pc
Set 335 6 Pt. Standard SAE Socket Set 14 Pc
Set 364 6 & 12 Pt. Standard Metric Socket Set 19 Pc
Set 367 6 Pt. Standard Metric Socket Set 14 Pc
Set 339-MC Dr 6 Pt Standard & Deep SAE Blow Mold Socket Set 31 Pc
Part Number
3405
Country of Origin
UNITED STATES
Drive Size
3/8"
Description
6" Extension
part number 3405
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
Mechanics Set—1/4", 3/8" & 1/2" Drives
Basic Service Set—1/4", 3/8" & 1/2" Drives
Apprentice Set—3/8" Drive
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Metric Apprentice Set—3/8" & 1/2" Drives
Set 348 SAE 12 Pt. Standard Sockets, 6 & 12 Pt. Deep Sockets, 12 Pt. Flex Sockets, 8 Pt. Standard Sockets, Standard Hex Bit & Screwdriver Bit Sockets with Bit Set 56 Pc
Set 346 SAE 12 Pt. Standard & Deep Sockets, 8 Pt. Standard Sockets & 12 Pt. Flex Sockets Set 32 Pc
Set 339 6 Pt Standard & Deep SAE Socket Set 31 Pc
Set 340 12 Pt. Standard & Deep SAE Socket Set 29 Pc
Set 337 6 Pt. Standard & Deep SAE Socket Set 21 Pc
Set 338 12 Pt. Standard & Deep SAE Socket Set 21 Pc
Set 335 6 Pt. Standard SAE Socket Set 14 Pc
Set 329 6 Pt. Standard SAE Socket Set 13 Pc
Set 330 12 Pt. Standard SAE Socket Set 13 Pc
Set 327 6 Pt. Standard Socket SAE Set 11 Pc
Set 328 12 Pt. Standard SAE Socket Set 11 Pc
Set 377 6 Pt. Standard & Deep Metric Socket Set 27 Pc
Set 221 6 Pt Standard Metric Socket Set
Set 339-MC Dr 6 Pt Standard & Deep SAE Blow Mold Socket Set 31 Pc
Part Number
3408
Country of Origin
UNITED STATES
Drive Size
3/8"
Description
8" Extension
part number 3408
Also Available in the following sets
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
General Maintenance Set—1/4", 3/8" & 1/2" Drives
Mechanics Set—1/4", 3/8" & 1/2" Drives
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Metric Service Set—1/4", 3/8" & 1/2" Drives
Part Number
3412
Country of Origin
UNITED STATES
Drive Size
3/8"
Description
12" Extension
part number 3412
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
General Maintenance Set—1/4", 3/8" & 1/2" Drives
Starter Set—3/8" & 1/2" Drives
Apprentice Set—3/8" Drive
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Aircraft Mechanic’s Starter Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Metric Service Set—1/4", 3/8" & 1/2" Drives
Set 348 SAE 12 Pt. Standard Sockets, 6 & 12 Pt. Deep Sockets, 12 Pt. Flex Sockets, 8 Pt. Standard Sockets, Standard Hex Bit & Screwdriver Bit Sockets with Bit Set 56 Pc
Set 346 SAE 12 Pt. Standard & Deep Sockets, 8 Pt. Standard Sockets & 12 Pt. Flex Sockets Set 32 Pc
Set 334 12 Pt. Standard SAE Socket Set 14 Pc
Set 364 6 & 12 Pt. Standard Metric Socket Set 19 Pc
Part Number
3422
Country of Origin
UNITED STATES
Drive Size
3/8"
Description
34" Extra Long - Black Industrial Finish Extension
part number 3422
Part Number
3424
Country of Origin
UNITED STATES
Drive Size
3/8"
Description
24" Extension
part number 3424
Also Available in the following sets
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Part Number
4402
Country of Origin
UNITED STATES
Drive Size
1/2"
Description
2" Extension
part number 4402
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
General Maintenance Set—1/4", 3/8" & 1/2" Drives
Starter Set—3/8" & 1/2" Drives
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Set 424 12 Pt. Standard Socket Set 25 Pc
Part Number
4405
Country of Origin
UNITED STATES
Drive Size
1/2"
Description
5" Extension
part number 4405
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
General Maintenance Set—1/4", 3/8" & 1/2" Drives
Mechanics Set—1/4", 3/8" & 1/2" Drives
General Service Set—1/4", 3/8" & 1/2" Drives
Basic Service Set—1/4", 3/8" & 1/2" Drives
Starter Set—3/8" & 1/2" Drives
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Metric Service Set—1/4", 3/8" & 1/2" Drives
Metric Apprentice Set—3/8" & 1/2" Drives
Set 427 12 Pt. Standard & Deep Socket Set 27 Pc
Set 424 12 Pt. Standard Socket Set 25 Pc
Set 423 6 Pt. Standard Socket Set 18 Pc
Set 422 12 Pt. Standard Socket Set 19 Pc
Set 417 12 Pt. Standard Socket Set 15 Pc
Set 418 12 Pt. Standard Socket Set 12 Pc
Set 472 12 Pt. Standard Metric Socket Set 22 Pc
Set 423 1/2" Dr 6 Pt Standard & Deep Blow Mold Socket Set 18 Pc
Part Number
4410
Country of Origin
UNITED STATES
Drive Size
1/2"
Description
10" Extension
part number 4410
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Maintenance Set—1/4", 3/8" & 1/2" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8" & 1/2" Drives
Mechanics Set—1/4", 3/8" & 1/2" Drives
Starter Set—3/8" & 1/2" Drives
Industrial Maintenance Set—1/4", 3/8" & 1/2" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Metric Service Set—1/4", 3/8" & 1/2" Drives
Set 427 12 Pt. Standard & Deep Socket Set 27 Pc
Set 424 12 Pt. Standard Socket Set 25 Pc
Set 425 12 Pt. Standard & Deep Socket Set 24 Pc
Part Number
4420
Country of Origin
UNITED STATES
Drive Size
1/2"
Description
20" Extension
part number 4420
Also Available in the following sets
Fractional Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Metric Maintenance Set—1/4", 3/8" & 1/2" Drives
Part Number
6403
Country of Origin
UNITED STATES
Drive Size
3/4"
Description
3-1/2" Extension
part number 6403
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Set 631 12 Pt. Standard Socket Set 31 Pc
Set 623 12 Pt. Standard Socket Set 22 Pc
Set 630 12 Pt. Standard Metric Socket Set 31 Pc
Part Number
6408
Country of Origin
UNITED STATES
Drive Size
3/4"
Description
8" Extension
part number 6408
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Master Fractional & Metric Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Set 631 12 Pt. Standard Socket Set 31 Pc
Set 623 12 Pt. Standard Socket Set 22 Pc
Set 422 12 Pt. Standard Socket Set 19 Pc
Set 330 12 Pt. Standard SAE Socket Set 13 Pc
Set 630 12 Pt. Standard Metric Socket Set 31 Pc
Part Number
6416
Country of Origin
UNITED STATES
Drive Size
3/4"
Description
16" Extension
part number 6416
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Mega Fractional Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Mega Fractional & Metric Master Set—1/4", 3/8", 1/2" & 3/4" Drives
Intermediate Set—1/4", 3/8", 1/2" & 3/4" Drives
Set 631 12 Pt. Standard Socket Set 31 Pc
Set 630 12 Pt. Standard Metric Socket Set 31 Pc
Part Number
8408
Country of Origin
UNITED STATES
Drive Size
1"
Description
8" Extension
part number 8408
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Set 829 12 Pt Standard SAE Socket Boxed Set - 29pc
Set 821 12 Pt Standard SAE Socket Boxed Set - 21 Pc
Part Number
8417
Country of Origin
UNITED STATES
Drive Size
1"
Description
17" Description
part number 8417
Also Available in the following sets
Fractional Sockets, Handles & Attachments
Set 829 12 Pt Standard SAE Socket Boxed Set - 29pc
Set 821 12 Pt Standard SAE Socket Boxed Set - 21 Pc
03

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