【Material】U Nut Clips use high-quality materials, the surface is galvanized , and can withstand various harsh environments, is not easy to rust, and is durable. 【Function】Metal Fastener Clips Replace rusted or broken U clips to secure auto car body panel or molding Used on Door trims, Roof linings, Interior door panels, Dashboards. 【Standard】U-Nuts Set is Quality tested for durability and performance. 【Easy To Install]】For a firm fixation, just slide the panel nuts holder onto the edge of the rail and lock them in the pre-punched holes. 【Wide Application】The u clips automotive kit are useful accessories which can be applied for car panel, door trim, bumper and fender for Mounting the front/rear bumpers. Package included: M8 x 15 pcs M5 x 25 pcs M6 x 15 pcs M4 x 25 pcs.