Package List:4 pin DTP connector(4 cavities)sets,8 terminal(pin socket) sets Connector Material:PA66 nylon,durable and waterpoof,convenient to connect and disconnect,suitable for long time use. High Precision Contact:The terminals have strong stability and conductivity,easy to crimping with wire and installing into connector，use with JRD-HDT-48/ACT-M202 crimping tool(wire range 14-12AWG) Wide Application:The strong stability allows them to be widely used in car,motorcycle,truck,boats etc Recommended tools: pick removal tool DRK-RT1B for removing wedgelocks and contacts, 4 way crimp tool JRD-HDT-48 for crimping pins and sockets