If you are in search of some professional and practical bolts protective covers, then your research is over here. That's because our product can satisfy your need very well. Adopted of plastic, iron material, it is durable for long term use. It is easy to use and can bring you much more convenience in protecting the bolts. Features -Color:Assorted Color -Material:Plastic, iron -Size:2.00X2.00X0.90cm/0.79X0.79X0.35in -These bolt end caps are durable and useful thanks to the sturdy materials and fine craftsmanship. -They can assist you better protect the bolts because they are difficult to corrode and difficult to age. -This product is made of plastic, iron material with workmanship for durability. Smooth surface without burrs, these items will not hurt your hands. - These protective coverings for screws and nuts are adaptable and practical, providing good protection. - Simple to use,just insert the caps into the exposed screw end to save time and effort. Package list: 500 x Decorative Bolt Caps