14Pcs Tin-Coated Drill Bit Set in Plastic Case 1.HSS TWIST DRILL BITS 2.Tin-Coated 3.In Plastic case

14Pcs Tin-Coated Drill Bit Set in Plastic Case*Titanium nitride coating lasts up to six times longer than standard high speed steel.

*Titanium decreases friction between bit and work piece, extending the bit life.

*For drilling in steel,cast steel,malleable iron,sintered metal,non-ferrous metal and plastic.

Tin-Coated Drill Bit Set in Plastic Case