General description These CSPARKV plastic dome nuts are designed to provide effective protection for screws while enhancing the appearance of machinery, furniture, and vehicles. Made from high-quality plastic, these bolt nut caps are durable, wear-resistant, and easy to use. Technical specifications Material: High-strength plastic Quantity: 145 pieces Sizes included: 50pcs M4, 30pcs M5, 20pcs M6, 10pcs M8, 20pcs M10, 15pcs M12 Usage Protect screws from rust, water, and dust Enhance the appearance of machinery, furniture, and vehicles Serve as high-strength fasteners Other information Includes a high-quality transparent plastic box for easy storage and organization Waterproof and dustproof design