●Grounding wire kit for your car ●Installing results are expected to improve fuel economy and startability. In addition, it is expected to improve audio performance ●Comes with screws so you can decide where to install it and connect it. You can also dress up your engine room with vivid color ●Size and Set Contents: Length: 39.4 inches (100 cm) x 2, 31.5 inches (80 cm) x 2, 23.6 inches (60 cm) x 1, Mounting screws and adjusters included ●Ships from Amazon warehouse