Product image for Proto J7121 1/2" Square X 7/16" Hex Shank Extension
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Proto J7121 1/2" Square X 7/16" Hex Shank Extension

Manufacturer: Proto / Stanley | Catalog # J7121 | Cooper Electric Part # 1665821
$16.97 /ea
ea
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Conveniently switch drive ends and reach hard-to-access fasteners with the 1/2 in. Square x 7/16 in. Hex Shank Extension. This versatile tool features a forged steel construction and a black oxide finish for corrosion resistance. The ball detent ensures a tight socket fit.

Technical Information

Handle Type
Quad-Lobe
Material
Steel
Shaft Length
0 in

Manufacturer Information

Brand
Proto

General Product Info

12-Digit UPC
662679340155
Finish
Black Oxide
GTiN
00662679340155
Handle Material
Nylon
Product UPC
66267934015
Weight
0.17 lb

Dimensions

Handle Length
0 in
Height
1/2 Inch
Length
2.8 Inch
Overall Length
2-3/4 in
Width
0.5 in

Certifications and Compliance

Country of Origin
USA
Features
  • Made of forged steel
  • Size stamped on tool for easy identification
  • Ball detent
  • Not for use on impact applications
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