Fitment: 25 Bolts & 25 U-Nut Clips for Fender, Engine Cover & Splash Shield are for 384930-S36. Packeage include:25 pcs Indented Hex Head, Sems Bolts and 25pcs U-Nut Clips. Size: 5/16 Body Bolts : 5/16-18 Thread x 7/8 Length x 3/4 Washer x 1/2 Hex head(M8*22mm);anti-Corrosion Zinc Plated. U-Nut Clips : 5/16-18 Thread. 9/16 Hole center to edge. Material: 5/16 Body Bolts and U-Nut Clips are made of premium quality steel with High Strength class 10.9, strong and reliable, not easy to break or deform, can be used for a long time. This kit is a reliable replacement for the original hardware that is missing or damaged, or has failed. Easy to Install: This product is simple to use and easy to operate. It's designed for easy installation so you can quickly and easily replace your old mounting kit.