• Impact Screwdriver Bit: Impact Shock Absorbent Zone stands up to punishment from high-torque impact driver
• Package Include: Totally 45pieces insert bits.
• IMPACT RATED BITS: Impact Shock Absorbent Zone stands up to impact drivers. It can be handle a new generation of higher torque impact drivers
• PRECISION MACHINED TIP: Precision-engineered driver bit tips, deliver a better fit and less cam-out, each edge can accurately lock the screw without damaging the screw and screwdriver head. Heat-treated bit manufacturing, provides stronger bit
• 1/4 Hex Shank — 1/4 inch (6.35mm) hex shank, fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth.