• High Quality Internal Tooth Starlock Washers Kit
  • Set Includes 7 Most Used Sizes: M3 M4 M5 M6 M8 M10 M12,320pcs in box
  • Made of 65Mn metal steel, black oxide finish Anti-corrosion and durable
  • Wide Application: used in machinery equipment, industrial production of shock absorption and insulation, can meet your different needs in daily life
  • A 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.

Works well. The count is right, and the one I tried didn't break even though it was so tight i had to beat it on with a socket and a hammer (6M to 1/4") the teeth actually shaved the metal rod. If the rest are like that I'll be happy.

Both it to replace wheels on my sons power wheel atv worked for what I needed

ok product, expensive, but so much a time saver hunting for dropped clip

Make sure you know your size. Pictures are deceiving. Only small sizes. Other than that it is great

Had the exact size I needed and many other sizes for future needs.