General description 145 Pieces Screw Cover Protective Nut Kit includes dome nut covers in 6 sizes (M4, M5, M6, M8, M10, M12) designed to protect screws from rust, water, and dust. This kit helps extend the life of screws while enhancing the appearance of furniture and machinery. The covers are made from high-quality plastic and rubber, ensuring durability and resistance to deformation. Technical specifications Quantity: 145 pieces Sizes: 50pcs M4, 30pcs M5, 20pcs M6, 10pcs M8, 20pcs M10, 15pcs M12 Material: Plastic and rubber Color: Black Assortment box size: 19.5 x 14 x 3.6 cm Weight: 218 g Installation Simply press the covers onto the bolts for a secure fit. Easy to install and remove as needed. Usage Suitable for hexagon shaped bolts and nuts. Ideal for use in machinery, furniture, vehicles, and home improvement projects. Helps improve the finished look of nuts and bolt heads. Other information Package includes: 145 x Hex nut cover kit Please keep small parts out of the reach of