Large O.D. Oversized Washer, Flat Washer Type Oversized, Dimensional Standards ASME B18.21.1, Material Steel, Material Grade/Class Case Hardened, Finish Zinc-Plated, For Screw Size 3/8 in, Inside Diameter 0.42 in, Outside Diameter 2 1/32 in, Maximum Thickness 5/64 in, System of Measurement Inch, Minimum Thickness 3/64 in, Color Silver, Inside Diameter Tolerance 0,400-0,420, Made in North America Not Made in North America, Manufacturer Location Globally Sourced