Each terminal in our electrical terminal kit features a strong copper to hold the wire tight when crimped. Translucent heat shrink tubing resistance to excellent stretch and mechanical damage. Can be ideally used in automobile and marine applications. Features - Color: Assorted color. - Material: Nylon, copper. - Size: 19.50X13.20X3.50cm/7.66X5.19X1.38 inch. current: 19-48A. - Suitable wire: 0.5-6mm². - Thick copper strong secure crimping every time, providing minimal voltage drop, high current flow, and less heat. These will prevent short circuits and problematic wiring that inferior connectors are known for. - Each terminal features a thick copper that resists corrosion to hold the wire tight when crimped. - Shrinkage tubing has a heat-activated sealant lining to provide a 360-degree secure seal. - It's flame-retardant, waterproof, and can be used underground. - Compliant with all electrical standards, perfect for marine and automobile applications, whether you are working on your boat, vehicle, home or scientific project, our electrical crimp connector will ensure strong watertight seal to make sure everything bond correctly. Package list: 200 x terminals