Lock Washer, Steel, Finish Delta Protect, Fits Bolt Sizes M6, M6, Inside Dia. 6.5 mm, Outside Dia. 13.5 mm, Thickness 2.5 mm, Thickness Tolerance +/- 0.25 mm, Rockwell Hardness Min. 46 HRC, Meets/Exceeds DIN 25201, Package Quantity 200. This item has been restricted from sale in the following state (s): []