[Include]:81 pc Grade B Steel Gage Block Set with MFG'S certificate
[Laser-Etched Identification]: Each gauge block is clearly marked with its serial number; includes traceable calibration certificate.
[Durable Material]: The gauge block set grade B is forged from tool steel that has undergone thorough quenching treatment, with a hardness of 65 RC. This ensures long-lasting performance and excellent wear resistance.
[Smooth Finish]:The gauge block set 81 piece create a perfectly flat surface, making them ideal for precise alignment and accurate stacking.
[Applications]: The gauge block set is applicable for a set of multi-functional equipment, size measurement, machine calibration, measurement tasks and tool inspection.