10l0l 18-8 Stainless Steel UNC Acorn Cap Nuts 1/4-20 Inch Kit,50-pack (1) 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 Hex Nuts,1 pcs Hook Magnet (can hold up to 12 Pounds)