OIIKI 4Pcs Test Probe Pins 82.6mm & 51.1mm | Non-Destructive Insulation Piercing Needle Testers

• 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
• Easy to Use & Practical: The test probe makes it easier to check circuits and piercing the insulation of wires, without damaging the wires. Very handy tools for back probing of automotive electrical measurements
• Size parameters: 2 sizes are provided, one approx 3.25 inches (82.6 mm) long with 0.86 inch (22 mm) probe pins, the other approx 2.01 inches (51.1 mm) long with 0.69 inch (17.5 mm) probe pins; pin material is stainless steel
• Wide application: The test probe applications include automotive, industrial, electrical, marine and more, which could perfectly fit on many multimeter connectors
• Package included: 4PCS Test probe pins, each pin has a plastic cover to avoid scratching other items or hurt people when you don't use it

• Select Probe Size — Choose the appropriate OIIKI probe pin size (82.6mm or 51.1mm) based on the wire access needed for your automotive or electrical diagnostic task.
• Connect to Multimeter — Insert the banana plug end of the chosen probe into the corresponding jack on your multimeter's test lead. Ensure a secure connection for accurate readings.
• Probe Wire Insulation — Carefully insert the sharp stainless steel pin into the insulation of the wire you need to test. This allows for non-destructive back probing to measure voltage or continuity.
• Perform Measurement & Store — Take your electrical measurement using the multimeter. Once finished, remove the probe and place the protective plastic cover back onto the pin for safe storage.

Typical situations where OIIKI 4Pcs Test Probe Pins 82.6mm & 51.1mm | Non-Destructive Insulation Piercing Needle Testers helps — illustrative scenarios, not customer reviews.