Metric precision parallel sets

Metric precision parallel sets---Complete in Wooden Case 8 Pairs sets 120mm Length Model No. 637-7972 160mm Length Model No. 637-7974 Parallel:±0.005mm.Hardened and ground HRC 60-61Set Include: 8x(12, 17, 22, 25, 28, 32, 36, 38mm)8 Pairs Sets 200mm Length Model No. 637-7976 Parallel:±0.005mm.Hardened and ground HRC 60-61Set Include: 8x(17, 22, 25, 28, 32, 36, 38, 43mm)9 Pairs Sets 100mm Length Model No. 637-7968 160mm Length Model No. 637-7970 Parallel:±0.005mm.Hardened and ground HRC 60-61Set Include: 4x(10, 14, 18, 22, 26, 30, 34, 38, 42mm)10 Pairs Model No. 637-7959 Parallel:±0.005mm.10x150mm14 to 32mm by 2mm12 Pairs Model No. 637-7962 Parallel:±0.005mm.10x120mm14 to 32mm by 2mm plus 35mm, 40mm14 Pairs Model No. 637-7960 Parallel:±0.005mm.Hardened and ground HRC 60-61Length:150mmSet Include: 10x(14-32)mm step by 2mm, 10x(35-50)mm step by 5mm20 Pairs Model No. 637-7964 Accuracy: ±0.01mm.Hardened and ground HRC 60-61Length:100mmSet include: 2x(5-20)mm step by 5mm; 3x(6-21)mm step by 5mm; 4x(7-22)mm step by 5mm; 5x(8-23)mm step by 5mm; 6x(9-24)mm step by 5mm24 Pairs Model No. 637-7966 Accuracy: ±0.01mm.Hardened and ground HRC 60-61Length:150mmSet include: 8x(11-36)mm step by 5mm; 10x(13-38)mm step by 5mm; 12x(15-40)mm step by 5mm; 14x(17-42)mm step by 5mm7 Pairs Model No. 637-7777 Parallel:±0.005mm.Hardened and ground HRC 40-45 set include:7 pairsDimensionsModel No.8.5x10x150mm637-77108.5x15x150637-77158.5x20x150637-77208.5x24x150637-77248.5x30x150637-773012.6x38x150637-773812.6x44x150637-7744