Item Specifications UPC 842176142784 Package Quantity 5 Inch / Metric Inch Thread Size 1-1/8" Inside Dia. 1.188" Outside Dia. 2.500" Thickness Min. 0.118" Thickness Max. 0.132" Material Stainless Steel 18-8 Finish Plain Item Type Washers Washer Type Flat Washer Product Code 5150-6740 SKU 3SWFS918