SK Steel Block Gauge Set, Class 1 equivalent, 103 pieces, GBS1-103 1 S

Catalog number: GBS1-103 Features: ●A block gauge set with outstanding cost performance. ●Equivalent to JIS Class 1. Uses: ●As a standard gauge for general measurement and machining. Specifications: ●Manufacturer code: 150801 ●Grade: Equivalent to 1 ●Width (mm): 216 ●Height (mm): 53 ●Number of sets (pieces): 103 ●Cross-sectional dimensions (mm): 10mm or less 30 (0 to -0.3) x 9 (-0.05 to 0.2) mm / Over 10mm to 100mm 35 (0 to -0.3) x 9 (-0.05 to 0.2) ●Thermal expansion coefficient: 11.5 x 10 [to the power of -6] / K ●Length (mm): 315 Material/Finish: ●High carbon high chromium steel Caution: ●Please perform rust prevention treatment after use.