Full Flexible Rules Series 182 Made of tempered steel and satin-chrome finish. Extremely durable for everyday use. Graduations are marked on glare-free satin-chrome surface, and deeply photoengraved for longer tool life. THICKNESSES: Full Flexible Rules: 1/64 GRADUATIONS 3R: 32nds, 64ths, 10ths & 50ths 4R: 8ths, 16ths, 32nds & 64ths 5R: 32nds, 64ths, 10ths & 100ths 16R: 32nds, 64ths, 50ths & 100ths M1: 32nds, 64ths, 1mm &1/2mm M2: 50ths, 100ths, 1mm &1/2mm M3: 10ths, 100ths, 1mm & 1/2mm M4: 10ths, 50ths, 1mm & 1/2mm M5: 1mm, 1/2mm, 1mm & 1/2mm Graduation : M1 Size : 12 in. x 300mm WIdth : 1/2 Item Detail : MTI 12IN./300MM FULL-FLEX RULE Brand : MITUTOYO