About This

• [Comprehensive Selection]: Includes 36 blocks: 9pcs from 0.1001"–0.1009" (0.0001" steps); 9pcs from 0.101"–0.109" (0.001" steps); 9pcs from 0.110"–0.190" (0.010" steps); 4pcs from 0.200"–0.500" (0.100" steps); 3pcs: 1.000", 2.000", 4.000"; 2 pcs: 0.050", 0.100". Grade economy tolerance: +/- 0.000050".
• [Durable Material]: Forged from fully seasoned tool steel and hardened to 65 RC, ensuring lasting performance with strong resistance to wear.
• [Smooth Finish]: Ground surfaces ideal for accurate wringing and precision stacking.
• [Laser-Etched Identification]: Each block is clearly marked with its serial number; includes traceable calibration certificate.
• [Applications]: A versatile set suited for dimensional measurement, machine calibration, metrology tasks, and tool inspection.