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: 250A Size Chart: 53mmx43mm/2.09inchx1.69inch Package Includes: 2Positive Negative Junction Stud Posts Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.