Item Specifications UPC 842176162911 Package Quantity 100 Inch / Metric Inch Thread Size #12 Inside Dia. 0.234" Outside Dia. 0.500" Thickness Min. 0.033" Thickness Max. 0.057" Material Brass Finish Plain Item Type Washers Washer Type Flat Washer Product Code 5150-6795 SKU 3RWFS012