Sizes: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10mm. Suitable for general purpose applications, including: aluminium, copper, iron, mild steel, wood, plastic. Manufactured from high speed steel (HSS), roll forged with 118° point. DIN 338.