This optional Grade 5 hardware kit is for a single passenger lap belt purchase. If you need more hardware, please increase the quantity to match the number of single lap belts you purchase. This hardware kit features Grade 5 over sized washers, nuts and bolts to help you install your lap belts perfectly! All hardware is silver zinc coated for a finished appearance. This hardware is a substantial upgrade from other competitor's hardware, due to the hardness level of steel used.