Description:Rockwell Steel Diamond Penetrator Indenter for Hardness Test Tester RC-3Specification:          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 PenetratorMore Details: