Features: Type: Drill Bit Color: Blue Material: HSS Shape: Straight, Rotate Surface Treatment: Nano Blue Coated Shape of Shank : Hexagon Triangular Shank Diameter : 6mm Size: 4-12mm / 4-20mm / 4-32mm Sizes: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm); 15 steps 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); 9 steps 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); 5 steps Package Includes: 1 x Step Drill Bit 4-12mm 1 x Step Drill Bit 4-20mm 1 x Step Drill Bit 4-32m.
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