Dustproof & Rustproof Plastic Bolt Covers. Mandrel Material: Plastic Screw Size: M4/M5/M6/M8/M10/M12 Holes Per Leaf: 1 Thread Size: M4/M5/M6/M8/M10/M12. Quantity: 145 Pieces. Crafted from high-quality plastic with smooth edges, ensuring durability and resistance to wear and tear.
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