Features: The bolt is made of copper alloy material, corrosion resistant, high hardness, not easy to break, sturdy and , and long service life. The insulation layer of the terminal is made of high-quality bakelite powder, which has good heat insulation, electric shock, good insulation effect and more safety. Good conductivity, high efficiency, stable connection, easy to use. Ideal accessories or spare parts for your original worn or damaged caliper. Ideal for welding machine, inverter, voltage stabilizer, etc. Specification: Screw Material: Copper Alloy Insulation Material: Bakelite Powder Voltage: 220V-380V Screw Outer Diameter: app.10mm/0.39in Size: app.79.3mm/3.12in Optional Colors: Red, Black Quantity: 1pcNote: No retail package. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:1 x Connect Terminal (Other accessories demo in the picture are not included.)