260Pcs M3 M4 M5 M6 M8 M10 M12 Push-on Locking Washers Star Nut Metal Quick Speed
With everything in one set, you’ll always have the right size on hand for any project. Sizes included: M3, M4, M5, M6, M8, M10, M12. They provide secure locking for bolts and screws, reducing loosening due to vibrations or dynamic forces.