PROTO J7121 – 1/2″ Sq. M 7/16″ Hex Shank Extension Bit

EXT. PWR. 7/16 HEX 1/2 SQ 4-33A

Features and Benefits

• This Extension Bit has an overall length of 2-3/4″
• 7/16″ hex shank
• 1/2″ male square
• Pin socket retention
• One-piece construction ensures concentricity
• Special heat treat ensures long life
• Precision machined tips for proper fastener engagement