150Pcs 304 Stainless Steel Star Lock Internal Tooth Locking Washers Assortment Kit, M3/ M4/ M5/ M6/ M8/ M10/ M12

Specifications - Washer Type: Starlock Washer - Sizes: M3 M4 M5 M6 M8 M10 M12 - Material: 304 Stainless Steel - Color: Silver Tone Features - Made of 304 stainless steel material, very good corrosion resistance. - 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. - These washers create a permanent installation and will lock on plastic, steel etc. - This set is organized by size / type in a transparent storage case for quick access and protection. Package Included - M3 - 30pcs - M4 - 30pcs - M5 - 20pcs - M6 - 20pcs - M8 - 20pcs - M10 - 15pcs - M12 - 15pcs Note: Please check the size carefully before purchasing, thanks for your support.  Warning: the product are small parts, keep away from children and kids.