Neilsen Metal HSS Metric 170pc Drill Bits Set 1mm to 10mm for Steel Metal Wood X spilt point prevents skating High speed steel Multi-purpose: use for every possible drilling task 118 degree split point design -10PCS of each size twist drills as below 1.0/ 1.5 /2.0 /2.5 /3.5 /4.5 /5.5 /6.5mm -14PCS of each size twist drills as below: 3 / 4 /5 / 6mm -6PCS of each size twist drills as below: 7 / 7.5 / 8 mm -4PCS of each size twist drills as below: 8.5 / 9 / 9.5 /10mm