• Square Screwdriver Bit Set: 2 inches (SQ1x15,SQ2x15,SQ3x15) driver bits, they're all have a customized box
• Impact Screwdriver Bits: Impact Shock Absorbent Zone stands up to impact drivers. It can be handled a new generation of higher torque impact drivers
• S2 Alloy Steel: it owns the features of high hardness and good toughness and resistance through strictly heat treatment, durable and suitable for any industrial use
• Precision Tips Head: deliver a better fit and less cam-out, each edge can accurately lock the screw, stabilizes without slipping and improves work efficiency. Avoid damaging the screw and screwdriver head
• Wide range of uses: Made to fit 1/4 In. hex impact drivers drill screw bit set is not only work with impact driver, but also magnetic screwdriver bit perfect for any regular drill, electric,hand screwdrivers and more