Large O. D. & Thick Oversized Washer, Flat Washer Type Oversized, Dimensional Standards AMPG 2001 FL. 05, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, For Screw Size 1/2 in, Inside Diameter 0.531 in, Outside Diameter 2 in, Maximum Thickness 0.25 in, System of Measurement Inch, Minimum Thickness 0.25 in, Inside Diameter Tolerance +/- 0.010 in, Material Quality Standards ASTM A582, Outside Diameter Tolerance +/- 0.010 in, Pack Size Small Pack. This item has been restricted from sale in the following state (s): []