Do It Best Do It #1 Square Recess 1 In. Insert Screwdriver Bit (2-pack) 305462db

Screwdriver insert bit is cryo-temp hardened for longer tip life. 1/4" hex shank fits all standard bit holders and hand-held drivers. ACR ribs on bit tip reduce cam-out and bit slippage. Tip is precision formed for proper fit. Carded.