50pc 7/16"uss flt washer. Zinc steel. Type: Flat, Slot Size: 7/16", Finish: Zinc, Pkg Qty: 50 No. 270067: Type: Flat, Slot Size: 1/2", Finish: Zinc, Pkg Qty: 50 No. 270070: Type: Flat, Slot Size: 5/8", Finish: Zinc, Pkg Qty: 25 No. 270073: Type: Flat, Slot Size: 3/4", Finish: Zinc, Pkg Qty: 20 No. 270076: Type: Flat, Slot Size: 7/8", Finish: Yellow Dichromate, Pkg Qty: 10 No. 270079: Type: Flat, Slot Size: 1", Finish: Yellow Dichromate, Pkg Qty: 10