This A set of probes is used to pierce the wire insulation layer for automotive electrical measurements, which does not does not damage the threads. And it has a banana plug to use in combination with the oscilloscope. An ideal set also for automotive diagnosis, testing and repair. Specification: Condition: 100% new Probe Housing color: red, black, yellow, green, blue. Probe Total length: 65mm/2.56inch Pin Length: 28mm/1.10inch Weight: approx. 35g/1.2oz Wrap list: 5* Complete probes 20* Replacement pins Note: 1. Due to the different monitors and light effect, the images may not reflect reality item color. 2. Please allow slight error due to manual measurement. thank you for your comprehension.