Innovative 2-in-1 design boosts efficiency, reducing job time. Manufactured from HSS alloy steel with nitriding surface finish. Supplied in a sturdy plastic storage case. Contents: Standard metric thread/pitch; M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5. Hex shank 1/4" (6.35mm). For hand drill or lathe use. Model No. AK3025. Weight 0.11kg.