165pcs Nylon Lock Nut Assortment Kit, Stainless Steel Hex Lock Nuts for Bolts (Nuts: M3 M4 M5 M6 M8 M10 M12)

Made of 304 stainless steel for corrosion resistance 7 common sizes (M3 M4 M5 M6 M8 M10 M12) for a wide range of uses, suitable for professionals and amateurs Nylon grip Bolt threads prevent vibration and torque release Nylon collar prevents flash from popping out for a safer, longer-lasting fix Comes with a plastic storage box for storage