【Packaging content】 Made in a high quality material, durable to use, compliant with the requirements of the European environmental directive Rohs and Deee. Come with 50pcs M4, 30pcs M5, 20pcs M6, 10pcs M8, 20pcs M10, 15pcs M12, Total 145pcs, can meet your different needs. 【Function】 These rubber hexagonal nut lids are good to protect the screws from outer rust, water, dust, etc. Helps extend the life of the screws and helps decorate your furniture. 【High performance】 Thanks to the new mold compression molding, the nut cap supports high precision, which is very easy to use. Thanks to precision crafts by numerous experts, such a hexagonal nut cap is entitled to high performance according to strict rules. And it has a variety of models to meet your different work needs. 【Easy storage】 All 145 -room dome nut lids are placed in a transparent storage box, you can always easily find the corresponding components, which can also save you a lot of time. 【Large Application】 Intended for hexagon