One-piece shell and unit structure. The high tension, high tension spring keeps the contacts of the plug firmly locked. With 4 terminal pins made of silver-plated copper. Strong conductivity, reduce resistance, ensure stable voltage and current. Provide a simple and convenient method to disconnect the power supply of the winch or other electrical equipment. Current: 175A Voltage: 600V Maximum cable size: 50m㎡ (1AWG) Material:Plastic + Copper colour:Red/Grey<br><br>Package Contents: 2 x quick connect plug 4 x terminal pins Only the above package content, other products are not included. Note: Light shooting 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.