Item:Australia standard flat washer Size:M3-M64,6#-1/4" Finish: Zinc, HDG, Black, Plain Item: Australia standard flat washerSize: M3--M64, 6#--1/4"Material: Carbon steel, Stainless steel, Brass, Aluminum, CopperFinish: Zinc, HDG, Plain, Black, Oxide, Chrome Australia standard flat washer