OIIKI 4Pcs 0.7mm Test Probe Pins with Banana Socket, 83mm Stainless Steel Back Probes | Insulation Piercing Needle Test Probes

• Connection Model: The test probe fits for standard 4mm Banana plug test lead, it works with most test lead kits in the field, diagnostic devices and automotive testing and repair.
• The test probe makes it easier to check circuits and piercing the insulation of wires, very handy tools for back probing of automotive electrical measurements.
• Length: about 3.27inches (83mm), Probe pin size: about 0.86inches (21.8 x 0.7mm), Pin material: stainless steel.
• Wide application: The test probe applications include automotive, industrial, electrical and more, which could perfect fit on many multimeter connectors.
• Package included: 2 × black test probe pin, 2 × red test probe pin.

• Connect to Test Lead — Insert the rear end of the OIIKI test probe pin into the standard 4mm banana socket of your multimeter's test lead. Ensure a snug fit for a reliable electrical connection.
• Identify Target Wire — Locate the specific wire or terminal you need to test. Use the red probe for positive connections and the black probe for negative or ground connections.
• Perform Back Probe — Carefully insert the 0.7mm stainless steel needle tip into the insulation of the target wire. This allows you to make electrical contact without disconnecting the wire, enabling back probing.
• Take Measurement — Connect the other end of your multimeter's test lead to your multimeter. Take the required voltage, current, or resistance measurement as per your diagnostic needs.

Typical situations where OIIKI 4Pcs 0.7mm Test Probe Pins with Banana Socket helps — illustrative scenarios, not customer reviews.