Screw Caps Nut Insert 6 Sizes Protective Fastener For Fitting Feature:1. Not easy to break: These dome screws are made of good quality materials, not easy to break, and durable2. Enhance the appearance of fasteners: providing strong protection and enhancing the appearance of fasteners, beautiful and practical3. Protect against rust and abrasion: Use hex protective caps to protect fasteners from rust and abrasion while providing protection for everything it touches4. Cover unthreaded or threaded items: whether unthreaded or threaded, cap suppressor cover, providing peace of mind for you and your family5. Packed in Decent Plastic Box: Light dome screws are packed in a decent plastic box for convenient, easy and hassle-free storageSpecification:Item Type: Hex NutModel: 300pcsProduct Parameter Specifications:M4 Black x 50pcsM5 Black x 35pcsM6 Black x 20pcsM8 Black x 20pcsM10 Black x 15pcsM12 Black x 10pcsM4 White x 50pcsM5 White x 35pcsM6 White x 20pcsM8 White x 20pcsM10 White x 15pcsM12 White x 10pcs Packing List: 300 x Hex Nut Lid1 x Storage BoxNote: Please adjust the right size before use. 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.