1.Precision ground high speed steel.

2.Titanium coating extends life up to 4 times longer than other drill bits.

3.Sizes:1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10,mm.

DRILL  SET

19PIECE HIGH SPEED STEEL DRILL SET