Technical Description HSS-R roll forged 4341 high speed steel 'jobber' bits. Manufactured to DIN338 with 118 point. For drilling steel, aluminium, non-ferrous metals, plastics and wood. Use cooling agent and drill at slow speeds for best results in metals. Sizes 2 - 8mm in 0.5mm increments. Metal storage case. Product Features HSS-R roll forged 4341 high speed steel 'jobber' bits Manufactured to DIN338 with 118 point For drilling steel, aluminium, non-ferrous metals, plastics wood Use cooling agent drill at slow speeds for best results in metals Sizes 2 - 8mm in 0.5mm increments, metal storage case Additional Product Data What's in the Box 13 x HSS jobber drill bit (2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7,5 and 8mm) 1 x Metal storage case Packaged Product Information Dimensions (m) 0.09 (L) x 0.14 (W) x 0.02 (H) Weight (kg) 0.26