[Environmental Material and Exquisite appearance]Made of quality nylon, aging resistant, slightly flexible, excellent low temperature resistance ( -100 Celsius-70 Celsius). NOT easy to break. Round and glossy nut caps are great decoration of your screws and nuts.[Useful Tool]Intended for Hexagon shaped Bolts and Nuts. Good tool for protecting screws and nuts from rusting outside, water, dust ect. Prolong the screws service life, decorate your furniture. In addition, reduce the risk of injury from exposure bolts and screws.Decorate bolt and screws, keep your safe.[Proper Package]All of them are packed into a plastic grids case with size label, prevent the nut covers and other little stuffs from missing and mixing. You could pick up the suitable one quickly with specification label when using.Convenient to carry and store.[Widely Application]Perfect fit for Hexagon shaped Bolts and Nuts in your machine, furniture., ect.Huge function for your home and work, dome and glossy design decorate your furniture and machine.Whats important, Keep Cap Securely Fastened. Easy to fit and to remove. Pls check your size of screws and blots before purchasing.Colour:Black+whiteMaterial:nylonPackage Contents:50 * M4 Bolt Protection Caps Black35 * M5 Bolt Protection Caps Black20 * M6 Bolt Protection Caps Black20 * M8 Bolt Protection Caps Black15 * M10 Bolt Protection Caps Black10 * M12 Bolt Protection Caps Black50 * M4 Bolt Covers Caps White35 * M5 Bolt Covers Caps White20 * M6 Bolt Covers Caps White20 * M8 Bolt Covers Caps White15 * M10 Bolt Covers Caps White10 * M12 Bolt Covers Caps WhiteOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.