Large O.D. Oversized Washer, Flat Washer Type Oversized, Dimensional Standards ASME B18.21.1, Material Steel, Material Grade/Class Case Hardened, Finish Black Oxide, For Screw Size 1/4 in, Inside Diameter 0.295 in, Outside Diameter 1 9/32 in, Maximum Thickness 5/64 in, System of Measurement Inch, Minimum Thickness 3/64 in, Color Clear, Inside Diameter Tolerance 0.275-0.295, Made in North America Not Made in North America, Manufacturer Location Globally Sourced