ITEM NAME:Qty 50 - M6*12*1.2mm High Tensile 8 Black Oxide Flat Washers Fit Bolts & Screws Brand BRT Fasteners Material Carbon Steel Type Flat Washer Surface Treatment Black Oxide Standard GB Packaging Plastic Packaging Size eg: M3*5*3(Inner Diameter=3mm; Outer Diameter=5mm; Thickness=3mm) Size: Package Including : Qty 50 - M6*12*1.2mm High Tensile 8 Black Oxide Flat Washers Fit Bolts & Screws.Flat Washer.