Scrdvrbt Impact Sqr R2 X50 1PK | Square Screwdriver Bit

Square Recess (also known as Robertson®) screwdriver bits are very popular. The head has a slight taper which prevents cam-out and holds the screw more securely.

Sutton Tools Supabit Extreme Impact Bits – Certified ‘heavy hitters’ specifically developed for use with the high-torque output of an impact driver.