Made of high quality brass, good conductivity, not easy to slip wire, set screws made of stainless steel. Rated Voltage: 500V, Rated Current: 20/60Amps. Prepare the cable, put the cable into the heat-shrinkable tube, then insert the wire to tighten the screws and heat the heat-shrinkable tube to complete the wiring. Suitable for household appliances, electrical connections in the power industry, etc. Type:8Awg 20A/4Awg 60A Colour:As Shown Material:copper<br><br>Package Contents: 20 x quick wiring connection terminals 40 x set screws 20 x heat-shrinkable tubes 1 x hexagonal wrenches / 10 x quick wiring connection terminals 20 x set screws 10 x heat-shrinkable tubes 1 x hexagonal wrenches 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.