3 step drills
	
14 steps -4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 & 30mm
	
9 steps -4, 5, 6, 7, 8, 9, 10, 11 & 12mm
	
9 steps -4, 6, 8, 10, 12, 14, 16,18 & 20mm
	
3 hole drills -3, 6 & 8mm