Iyowei 390 PCS Stainless Steel Internal Star Tooth Lock Washers M3/M4/M5/M6/M8/M10/M12 Quick Speed Locking Washer Assortment Kit

Practical Tool: Lock washer is good for quick fixes and make a repair, apply a spring force between the fastener head and the substrate, causes the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, to produce greater friction and rotational resistance. Multiple Sizes: Quick speed locking washers with 7 most used sizes, M3 M4 M5 M6 M8 M10 M12, you can choose different sizes according to your needs. Premium Material: Starlock Washers are made of 304 stainless steel, sturdy and durable, without deformation, abrasion and corrosion resistance. Wide Application: Fixed lock washer internal tooth widely used in machinery equipment, lawnmower,motors, cars, trucks, trailers, toys, bikes, RVs, boats, pumps, furniture etc. Package Includes: The package comes with 390 pieces manganese steel starlock washers in black color with a plastic box , each size is individually separated in the storage box for easy selection and storage, 7 sizes meet your different needs.