• Material: Made of high quality 304 stainless steel, very good corrosion resistance, strong and durable.
  • Internal tooth lock washers stainless steel includes 6 most used sizes: M3 M4 M5 M6 M8 M10.
  • Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
  • Perfect for electrical connections on household and commercial appliances, automotive and marine uses.
  • All of washers will be packed in a sturdy transparent plastic case, can be use for a storage box.

The style, weight and product metal makeup was very nice; product too thin and too small; earrings, very unique and fabulous, always searching for new great finds -- Thanks as always.

Good quality and a better price. don't let the price fool you as the quality is good.