Silicone: The banana plug test lead is made of soft silicone wire, , non- and environmentally friendly. No deformation at low temperature, high temperature resistance. Stackable: The stackable banana plugs at both ends are made of high-quality materials to long-term use. The main body is copper and the shell is plastic. All are wear- and enough to provide long-lasting performance Function: Suitable for electrical testing of electronic equipment such as multimeters and power supplies. Length: 3ft flexible test lead. Voltage: 1000V. Current: 15A. What's Included: 20 Pieces of Silicone Test Leads for Banana Plugs. 5 colors, easy to distinguish. Colour:As shown Material:14AWG silicone wire Size:Length: about 1m Package Contents: 20 x banana plug silicone test leads Only the above package content, other products are not included. Note: Light reflection 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.