Anti-slip Screwdriver Bit set Most professional and high-efficiency bit set, widely used in multiple fields! Anti-slip Screwdriver Bits are cross-headed screwdriver bits which are professionally crafted with anti-skid stripped slots and sharp-cut bit edging. Provides an anti-slip, quicker way to screw or remove stripped bolts precisely. Replace your old slipping ones with these to stop drill bits from walking. Adopts S2 high grade alloy steel produce with high hardness and wear-resistance. Super durable for frequent industrial, home repair and even DIY applications! FEATURES: Specification: Package Includes: