Proto® - Hex Shank Extensions 7121

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Quick Overview

Hex shank extensions with precision machined tips

Product Details

  • Proto® - EXTENSION IMP 7/16 HEX X
  • Durable accessories for Proto sockets
  • Concentricity assured due to one-piece construction
  • Heat treated to help ensure long service life
  • Tips machined with precision to enable proper fastener engagement
  • Adaptors & extensions in Proto line of hand tools accessories durable and long-lasting
  • Adapters & extensions made with alloy steel and nickel chrome finished
  • Ends are 1/2" male square and 7/16" male hex 2-3/4"L


Coating Material: Nickel Chrome
Dimensions: 2-3/4" L
Drive Size: 1/2" (Square);7/16" (Hex)
Drive Type: Male Hex/Square
Easy Reorder Eligible: Yes
Item Type: Shank Extension
Length: 2-3/4"
Locking Type: Pin
Manufacturer Name: Proto
Manufacturer Part Number: 7121
Measurement Standard: Imperial