Flexible-The test probe comes with a standard 4 mm banana plug test lead connection, which can be used with most test lead kits in . Compatibility-Test probe applications include automotive, industrial, HVAC, electrical, marine, etc. Features: As test probes, they are used to pierce the wire insulation to allow the car to make measurements without damaging the wire. Used for-The test probe is suitable for rear probe wiring harness connectors and automotive sensors. Material:Nylon + stainless steel colour:As shown Package Contents: 15 x Insulation piercing needles Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.