Apex® Power Drive Bit, Socket Head, Measurement System: Imperial, 5/16 in Point, Hex Point, 3-1/2 in Overall Length, Hex Shank, 7/16 in Shank, Steel

ITEM FEATURES:

• Proprietary steel and heat treat process yields greater strength and longer bit life
• Cutting edge machining process results in tighter tolerances and superior product consistency
• Better and more consistent fit to fasteners leads to better torque transfer
• Power bits are best used with quick-release (QR series) chucks