Starrett PT05250 - Penetrator - 1/8in (3.2mm) Ball Unit
The Starrett PT05250 is a penetrator - Ball 1/8in (3.2mm) for Starrett Hardness Testers. The indenter is compatible with Starrett Hardness Testers 3814, 3815, 3816, 3818, 3823, 3824, 3831, 3832.