For steel up to 800 MPA, stainless steel, grey cast-iron and aluminium alloy. 20 drill bits Ref 222A.T, diam.: 1 -- 10.5 mm (in 5/10 increments). 12 drill bits for riveting and tapping dimension diam.: 1.9 - 2.1 - 2.6 - 2.9 - 3.2 - 3.3 - 3.8 - 4.2 - 5.1 - 6.8 - 7.9 - 10.2 mm. Dimensions (L. x W. x H.): 170 x 110 x 50 mm. Weight: 1.170 kg.