Ring connectors easily connect to the screw terminals of your power supply, with female EC5 connectors ready to make a secure connection to your FMA PowerLab 8 or PowerLab 6. 12" of heavy duty 10 AWG silicone wire gives you the flexibility to work in any charging setup. Specifications: Input Connector: Ring Connectors (inner width: 8mm; outer width: 15mm) Output Connector: Female EC5 Wire Type: 10 AWG Silicone Length: 12"