Tru Connect 4mm Insulation Piercing Test Probes CATIII 1000V 10A
- Tru Connect 17-3265, A black test probe that has a 4mm socket connection. The stainless steel tip can pierce insulation to contact the wire without causing any damage. Tru Connect 4mm Insulation Piercing Test Probe CAT III 1000V 10A Bla