About This

• [Comprehensive Selection]: Includes 81 gage blocks: 9pcs from 0.1001"–0.1009" (0.0001" steps); 49pcs from 0.101"–0.149" (0.001" steps); 19pcs from 0.050"–0.950" (0.050" steps); 4pcs from 0.100"–0.400" (0.100" steps); 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 gauge 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.