Item Specifications UPC 842176162881 Package Quantity 100 Inch / Metric Inch Thread Size #6 Inside Dia. 0.145" Outside Dia. 0.375" Thickness Min. 0.025" Thickness Max. 0.040" Material Brass Finish Plain Item Type Washers Washer Type Flat Washer Product Code 5150-6780 SKU 3RWFS006