140PCS Hex Acorn Cap Nuts with box. Sizes Includes: M3 M4 M5 M6 M8 M10 M12 ）. 1、304 stainless steel: Acorn nuts is made of high-quality 304(18-8)stainless steel, rust-proof, corrosion resistance, sturdy, will not twist or deform, and has a long service life.Withthe spiral pattern is clear ，the polishing process, the surface is smooth, no worry about scratching your hands.
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