Packing list: 2 Terminal Connector, size 53mmx43mm.Material: Terminal Connector is made of brass, nylon, and stainless steel, has good conductivity, and is sturdy. Ensure reliable and long connections.Function: Positive Negative Junction Stud Post is used to connect high current wires to power panels or distribution boards. Adapters are designed for connecting large cross section wires and can bear high currents.Easy to install: Terminal Studs screw bolt design makes installation and maintenance simple, just use a screwdriver or wrench to tighten or loosen the bolts.Adaptation: Terminal Stud can be used with a variety of power panels and power strips, providing universal connection options. More suitable for your needs.Specification:Material: Rubber, Zinc Alloy, BrassRated current: 250ASize Chart:53mmx43mm2.09inchx1.69inchPackage Includes:2Positive Negative Junction Stud PostsNote:Please allow slightly errors due to manual measurement and different monitors.