Item Specifications UPC 842176142876 Package Quantity 100 Inch / Metric Inch Thread Size #12 Inside Dia. 0.231" Outside Dia. 0.475" Thickness Min. 0.020" Thickness Max. 0.027" Material Stainless Steel 410 Finish Plain Item Type Washers Washer Type Tooth Lock Washer Product Code 5150-6855 SKU 3SWLX012