Split Lock Washer, Light Duty, Steel, Finish Plain, Fits Bolt Sizes 1 3/4 In, Inside Dia. 1.758 In, Outside Dia. 2.613 In, Thickness 0.344 In, Thickness Tolerance + 0.030 In, Color Black, Rockwell Hardness C38-46, N/A, Meets/Exceeds ASME B 18.21. 1, Package Quantity 10. This item has been restricted from sale in the following state (s): []