trovkin 550 pcs fender washers assortment kit, 304 stainless steel flat washers set for screws and bolts, sae and metric sizes m3-m12, #6-#12, 1/4" to 1/2", heavy duty hardware for industrial and diy projects fender washers-550pcs is up for auction in Industrial & Scientific. This item is in Good Condition. This auction has ended — similar items appear in live auctions regularly.