This is extra stock purchased to save on shipping costs. This is enough for one vehicle. The two long pieces are for the front, and the other four are for the middle and rear. There are extra screws included. The following is copied from the listing: This is a brass lift-up kit that can be used to raise the ride height of the MNMODEL MN82 LC79. It can also be used on other MN82 models. Lifting the body of a normal vehicle prevents interference with large-diameter tires and improves the appearance. Weight: 2.9g per piece Sizes: 11mm, 15mm Please understand that there may be scratches, imperfections, and individual differences due to the imported nature of the product. Returns are possible for obvious defects.