DescriptionIf you are in search of some professional and practical bolts protectivecovers, then your research is over here. That's because our product cansatisfy your need very well. Adopted of PVC material, it is durablefor long term use. It is easy to use and can bring you much moreconvenience in protecting the bolts.Features-Color:Black-Material:PVC-Size:4.20X4.20X3.10cm/1.65X1.65X1.22in- PVC materials and detailed craftsmanship ensure durability and practicality of these bolts end caps. - Not easy to corrode, not easy to age, they can help you better protects the bolts. - Effectively intall, appropriate for indoor, outdoor or humid environment. - These protective covers are flexible and useful, offering good protection for screws and nuts. - Easy to use, simply press the caps into the protruding screw end, save your time and efforts.