Vifmy 70 Pack 5/16″-18 Inch Lock Nuts,304 (A2-70) 5/16″-18, 70 Pack, Polished
304 Stainless Steel Lock Nut: Nylon insert Lock nut 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.With the spiral pattern is clear,the polishing process, the surface is smooth, no worry about scratching your hands.