Step Taper Drills KraftWorld 4-32, 4-20, 4-12 Drill Bits Set of cone drill bits for sheet metal, wood or plastic KraftWorld Step drills of different sizes for drilling holes in different materials: thin galvanized (steel) sheet metal, wooden countertops, hard plastic plate and other thin materials; Multifunctional drills of exceptional quality; With one drilling for a perfectly done job, no need for a center; Features: 3 pcs. high speed step drills with capacity for 15 holes of different diameters With two cuts Can also be used for laminate Drill bit 4-12: 4,6,8,10,12mm Drill 4-20: 4,6,8,10,12,14,16,18,20mm Drill 4-32 : 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm Metal storage box Manufacturer: Kraft World