Heavy duty Circuit Tester 28400 by Lisle

Quickly Tests Low Voltage up to 12 Volts.

A heavy duty circuit tester for lifetime use. The probe, handle, cord and clamp are reinforced for extra durability. Comes with a strain relief spring on the cord. Cord is 49".

https://www.lislecorp.com/specialty-tools/heavy-duty-circuit-tester

https://www.oreillyauto.com/detail/c/lisle/tools---equipment/diagnostic-tools/test---tune/4887d9c7148f/lisle-heavy-duty-circuit-tester/lis0/28400

13270 LOW PROFILE FILTER SOCKET SET, 7PC by Lisle, USA