Description: Rockwell Steel Diamond Penetrator Indenter for Hardness Test Tester RC-3 Specification: Material Diamond, Steel Model RC-3 Size: Box 1.3cm x 4.1cm \/ 0.5'' x 1.6'' Steel Diamond Penetrator 0.8cm x 2.5cm \/ 0.3 '' x 1'' Color Silver Features: Plactical and durable in use. Manufactured for use in most hardness testers. Great for Harder Steels. Package Included: 1 x Diamond Penetrator More Details: