Specification: Length:80mm Current:20A Insulator material: PVC Features: Suitable for charging batteries or connecting the circuits,also for electrical projects and voltage testers. Red and black PVC wrapped up to the tip to help prevent shock danger when working with electronics. Small but sturdy,holds components or wires tightly with the strong springs. Package Content: 10pcs Testing Alligator Clips(5Red + 5Black) Note: manual measurement, there is a small reasonable error range.