Split Lock Washer, Standard, Steel, Finish Plain, Fits Bolt Sizes 3 In., Inside Dia. 3.012 In., Outside Dia. 4.074 In., Thickness 0.458 In., Rockwell Hardness C38 to C46, Meets/Exceeds ASME B 18.21. 1, Package Quantity 5. This item has been restricted from sale in the following state (s): []