• Precision milled to tight tolerances with flat edges, sharp corners & no burrs for snug screw fit

• Machined from USA steel & heat treated with a black oxide rust inhibitor finish

• Bits are engineered to bend/break BEFORE damaging the screw they fit

• Each bit has ear/or ring stops with ball detent to hold the bit securely in our tools

• Bits have knurled ends for finger tightening & are stamped with the part #

• Non-magnetic for use on electronics & PC boards