Wilson Hardness test blocks set the standard for the industry and are made from the highest quality material to insure the most uniform and repeatable blocks available. All Wilson test blocks are calibrated in the Wilson Hardness Calibration Laboratory that is accredited to ISO/IEC 17025 by A2LA and the testers used in the calibration process undergo a stringent monitoring process using NIST traceable devices.

Only available to ship to AR, IA, KS, LA, MN, MO, MS, ND, NE, OK, SD, TX