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Expert Quality, precision rules manufactured from hardened stainless steel matt chrome plated. The clear black graduations of 0.5mm, mm, 0.5cm, cm and 1/64", 1/50", 1/32", 1/20", 1/16", 1/10", 1/2", and inches on the reverse are permanently etched for long service life. Packed into vinyl wallets. Contents 1 x 300mm Stainless Steel Rule, 12"