ITEM NAME:165Pcs Stainless Steel Hex Lock Nut Nylon Insert M3 M4 M5 M6 M8 M10 M12 Description: - 165pcs Stainless Steel Nylon Insert Locknut Assortment Kit M3 M4 M5 M6 M8 M10 M12 - Made of 304 stainless steel for durability and great corrosion resistance - Total 7 different sizes of lock nut that you can choose for different bolts - Nylon insert lock nuts have a nylon washer to prevent loosening - Stored in a plastic case, easy to carry Specification: - Content: - M3 x 45pcs - M4 x 35pcs - M5 x 30pcs - M6 x 25pcs - M8 x 15pcs - M10 x 10pcs - M12 x 5pcs Package Included: 1 Set Stainless Steel Nylon Insert Locknut.1 Set Stainless Steel Nylon Insert Locknut. - M8 x 15pcs. - M12 x 5pcs. - M10 x 10pcs. - M4 x 35pcs. - M6 x 25pcs. - M5 x 30pcs. - M3 x 45pcs.