Lock Washer, Steel, Delta Protect Finish, Fits Bolt Sizes 1 1/8", Inside Dia. 1.240", Outside Dia. 2.300", Thickness 0.260", Thickness Tolerance +/- 0.02", Rockwell Hardness Min. 46 HRC, Meets/Exceeds DIN 25201, Package Quantity 25. This item has been restricted from sale in the following state (s): []