Chapman Bristol 6 Flute Spline Screwdrive Bit Set

Chapman bits are precision milled to tight tolerances with flat edges, sharp corners and no burrs for a snug screw fit.All bits are machined from USA steel and heat treated with a black oxide rust inhibitor finish. FeaturesPrecision milled to tight tolerances with flat edges, sharp corners & no burrs for snug screw fitMachined from USA steel & heat treated with a black oxide rust inhibitor finishBits are engineered to bend/break BEFORE damaging the screw they fitEach bit has ears/ring stops with ball detent to hold the bit securely in our toolsBits have knurled ends for finger tightening & are stamped with the part #Non-magnetic for use on electronics & PC boards