Made of PVC, nylon, and brass materials, high strength, impact resistance, corrosion resistance. Installed through the body panel, easy access to battery terminals and fast charging. PVC plastic insulation cap, easy to open and close, can block dirt, water, dust, and sand, thus extending the service life. Rated current is 250A, fire rating is UL94 V-O, stable structure, long service life. Used in for cars, RVs, boats, yachts, racing cars, agricultural vehicles, etc. Voltage MAX.Operating:48V DC Continuous Rating:250A Terminal Stud Size:2 x 3/8Inch Easy access to battery terminals and fast charging Comes with 1.2m silicone harness battery jumper Colour:As Shown Material:PVC+brass Size:(LxWxH):127x73x75mm Package Contents: 1 * L-shaped panel 2 * jumper posts 2 * installation accessories 3 * installation screws 3 * lock nuts 2 * terminal block 1 * 1.2-meter silicone wire harness Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.