18-8 Stainless Steel UNC Hex Bolts and Nuts,cap Nuts,k-nuts,wing Nuts,nylon Lock Nuts,phillips Machine Screws,flat Washer,spring Washer 1/4 Inch Kit, 50pcs-pack (Hex Flange Nuts 1/4-20) 304 stainless steel 15 years experience in the production of stainless steel fasteners the production of stainless steel have been added to wax treatment to prevent deadlock Anti - corrosion, anti - rust, high temperature resistance and environmental protection No burr of silver appearance Package include:50 pcs 1/4-20 Flange Nuts;1 pcs Magnetic Hook(Holds up to 12 Pounds)