Lock Washer, Steel, Delta Protect Finish, Fits Bolt Sizes M27, Inside Dia. 28.4 mm, Outside Dia. 48.5 mm, Thickness 6.6 mm, Thickness Tolerance +/- 0.51 mm, Rockwell Hardness Min. 46 HRC, Meets/Exceeds DIN 25201, Package Quantity 25. This item has been restricted from sale in the following state (s): []