25Pce Cobalt Drill + Countersink Set
Drills: 2, 2.5, 3x2, 3.2, 3.5, 4x2, 4.2, 4.5, 5x2, 5.5, 6, 6.5, 6.8, 7, 7.5, 8, 8.5, 9, 10, 11, 12, 13mm.
Countersink ∅: 16.5mm
Cobalt formula improves abrasive resistance for increased strength in high temperatures. Suited for drilling steel, stainless steel, cast iron, brass and aluminium