Item Specifications UPC 842176143033 Package Quantity 50 Inch / Metric Inch Thread Size 1/2" Inside Dia. 0.530" Outside Dia. 0.900" Thickness Min. 0.037" Thickness Max. 0.045" Material Stainless Steel 410 Finish Plain Item Type Washers Washer Type Tooth Lock Washer Product Code 5150-15220 SKU 3SWLI908