RS PRO System Zero Screwdriver Bit, NO.4 Tip, Square Drive 1-Piece, 75 mm Overall

Its chrome-vanadium steel body is robust and long-lasting for prolonged use on high-torque devices. Maintenance is easy as you can simply remove grease and dirt after use to increase its longevity.

You'll find System Zero fasteners used to prevent tampering and enhance security on critical vehicle components and machine housing. This bit is commonly used by builders, electricians and mechanics for fastening applications on public machines, display boxes and digital signage. You can purchase screws with System Zero heads separately from RS PRO.