Features 【High Quality Nylon Material】: These dome cap nuts are made of high-quality nylon material, high strength, corrosion-resistant, solid and strong, which can for a long-term use. 【Anti-falling Off】: The nylon scorn hex cap nut can prevent the nut from loosening and falling off, the connection is very tight, can stay closing to cover the screw heads, would not bounce off even under the high pressure. 【Practical Tool】: This bolt nut cover screw cap assortment kit is good for protecting screws from rusting outside, water, dust, etc., which can decorate your furniture, and prevent you and your family from being injured by screws. 【Package Includes】: The dome protection cap has 6 model of M3, M4, M5, M6, M8, and M10. There are 70 acorn nuts in a box, which can basically meet your daily basic needs. 【Widely Application】: Our dome nut kit is suitable for general fastening applications. Ideal for professionals, amateurs, repairers and other DIY enthusiasts. Widely used in mechanical engineering, automotive, motorcycle, wood and steel construction, furniture etc. Specification:Material: NylonType & Quantity:M3*0.5   20PCS M4*0.7   20PCS M5*0.8   10PCS M6*1.0   10PCSM8*1.25  5PCSM10*1.5  5PCSWeight: 63g / 2.2oz (approx.) Package list: 1 box * Nuts Package List