Pure Copper: Back probe test leads are copper flexible wires. Wire Length: 3.3ft. Rated current: 5A. Banana Plug: 4mm. The stainless steel needle is only 0.07mm.
Back Probe Kit 20PCS Banana Plug to Copper Alligator Clip Test Leads Kit
VDIAGTOOL V200Pro Automotive Power Circuit Probe Tester 30PCS Back Probe Kit 12V
Back Probe Kit 44PCS Banana Plug to Copper Alligator Clips Test Leads Kit
Tool-Aid 23550 - Master Back Probe Kit
Thexton 490 Back Probe Kit
Back Probe Kit Leads Set Automotive Electrical Diagnostic Circuit Testing