Robust and Durable: The screw cover is made of high quality ABS plastic, it is durable, tearproof, waterproof and not easy to fade. It is suitable for long term use. Smooth surface can effectively prevent the screw from being damaged by dust, water, rain, etc., thus extending the service life of the screw Wide Applications: Folding nuts can be used in homes, schools, playgrounds, stores, offices and other places. Nuts can provide good rust protection for bolts. In addition to screws, they are also suitable for hiding small rivets and for decorating furniture and walls Easy to Use: The two parts of the screw cap fit together for convenient use. simply insert the screw into the hole of the plastic cap, tighten the screw in the desired position and close the cap Convenient Screw Caps: These White screw caps can prevent the screws from rusting and thus prolong the service life of the screws. Moreover, these screw caps are packed in a transparent box. With this plastic container, it is very convenient and convenient to store Features: Material: plastic Dimensions: Inner hole: 5 mm Visible hole: 10mm Parts: 13.4mm Board: 13.2mm Color: White Contents: 100 screw caps Warm reminder: Contains small parts and keep out of reach of children.