Leco RT-120A Hardness Test Block Kit

The Leco RT-120A is a hardness test block kit engineered for the calibration and verification of metallurgical testing equipment. Designed as a bench-top unit, it is primarily utilized in metallurgical laboratories and hardness calibration stations to ensure the accuracy and repeatability of manual hardness testing systems. The device features an analog dial interface for manual readings and utilizes a block-based calibration method to provide standardized references for material testing. It is intended for use in industrial environments to verify Rockwell-type hardness testers, supporting the maintenance of high-volume workloads. The system is designed for manual hardness testing applications and serves as a primary tool for ensuring equipment performance meets metallurgical standards through consistent calibration and verification protocols.