Leeb Blocks


Our Leeb Test Blocks are top quality and affordable; each block comes with a protective container wrapped in protective rust resistant paper for storage and long-term use. All the blocks are calibrated by an accredited ISO 17025 lab and will meet or exceed all automotive and aerospace standards and current ASTM A956 Standard Test Method for Leeb Hardness Testing. Appearance of block may vary by hardness scale and range, every one of our test blocks is calibrated and traceable to NIST, contact us for sample certification.