Features: - Set of 7 wood drill bits Dimensions: 3mm diameter x 60mm length. 4mm diameter x 75mm length. 5mm diameter x 85mm length. 6mm diameter x 93mm length. 7mm diameter x 10mm length. 8mm diameter x 11mm length. 10mm diameter x 12mm length. - 6 drill bits mill. Shape: 5 splines. Edge: 90 degrees. Length of conical burrs: 48 mm. Material: 4241 high speed steel. Dimensions: 6 mm, 8 mm, 9 mm, 12 mm, 16 mm and 19 mm. - 8 drill bits wood for drill Dimensions: 15.8 mm. 12.7mm. 9.5mm. 6.3mm. Stem: round. Shaft diameter: 9.3mm. Material: 45 carbon steel. - Set of 3 high speed steel step drill bits: Material: high speed steel plated titanium. Dimensions: 4–32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32 mm). 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm). 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm).