Check the listing for details. 2PCS Back Probe Pins Flexible Bendable Test Probes for Wire Piercing Automotive. Condition: New. Listed at 11.99 USD. Back probes are made of stainless steel which have strong conductivity. The bendable part is made of soft PVC and can be bent up to 180°. The tail is 4mm banana female socket. The stainless steel needle is only 0.07mm, which can easily pierce wires. The shell is covered by fully insulating PA material to ensure your safety during testing. Easy to connect with 4mm banana plug leads. Perfect for back-probing harness connectors, automotive sensors, diagnostic troubleshooting, DMM and scope measurements. Package include: 2PCS Flexible Test Probes. Red + Black. Maximum measuring voltage: 30V. Warranty: Hope you can be satisfied with our back probes. We provide guarantee of a 30-day replacement or refund for any problem and 1 year warranty. If you have any question, feel free to contact us.