145 bolt covers, protective caps for hex nuts, plastic dome nuts, black bolt caps - M4/M5/M6/M8/M10/M12 - CE

General Description Assortment of high-strength, smooth-edged plastic bolt caps used to protect screws from rust, water, and dust while improving aesthetics. Comes with a clear storage box for easy storage and transport. Product Specifications Material: High-strength plastic Color: Black Total Quantity: 145 pieces Assorted Sizes: M4 (50), M5 (30), M6 (20), M8 (10), M10 (20), M12 (15) Storage: Clear plastic box Features Smooth edges, wear-resistant, difficult to break or deform. Waterproof and dustproof design effectively prevents screws from rusting. Easy to install and remove. Multiple sizes to meet various needs. Application Widely used for screw protection in machinery, furniture, vehicles, and other equipment, improving both the level of protection and aesthetics. Package contents: 145 protective bolt caps (M4/M5/M6/M8/M10/M12) + 1 transparent storage box.