Copper: Both ends of the test leads are pure copper clips. The maximum width of the clips opening is 10mm. Lead length: 3.3ft. Voltage: 1000V. Current: 15A. Sturdy: The clip is firmly fixed to the wire, and the rubber insulation layer ensures it will not slip during . The on the clip is strong enough and will not deform as you it more often. Function: Perfect for all electrical testing, electronic applications like automotive accessories and testing circuits on your vintage , trucks and motorcycle. As long as whatever you are testing uses a fuse of 15A or smaller. Package include: 5PCS clips test leads. 5 colors make it easy to distinguish during . Name: Clips Electrical Test Leads Colour:Photo Color Material:Copper+PVC Package Contents: 5 x Clips Test Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.