【 Sizes and quantities】: M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20. Tired of sharp bolt threads snagging cables or scratching car paint?. 【 Material】: PA66 + 30 % Glass Fiber. • Rust-Free – Pure nylon construction resistant to seawater, acid rain, and UV rays, with no corrosion or fading even after prolonged outdoor exposure.
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