Main material: The U-clips are made of durable alloy steel,High strength, strong hardness, durable, not easy to break deformation in use. What you get: In this U-clip set, including 85 U-clips and 85pcs pan cross screws, a total of 170 U-clips are neatly arranged in a separate storage case for easy selection. Package including:The U-clip and screw assortment kit contains 9 common size: 5 kind of U-clip(3mm, 4mm, 5mm, 6mm, 4mm), and 4 kind of screw(3*8mm, 4*16mm, 5*12mm, 6*20mm). The variety of sizes and large quantity could meet your various needs. Easily use: Easy to use, each plastic box has a classification chart, which will help us easily identify each component. Support parts will not fall in the transportation process, easy to install. Widely use: A good helper in car repair.Widely used in door trim, bumper, radiator, guard, side skirt, grille, engine cover, etc.