Starrett HT-1800-115 - DL Impact Probe
The Starrett HT-1800-115 DL Impact Probe is for use with Starrett Portable Hardness Testers – 3811A and 3810A. The probe features a needle front section with dimensions of 4mm diameter and 15mm length. The probe is for testing in confined spaces, such as groove bases, and special components like gear wheels.