Split Lock Washer, Standard, High Carbon Steel, Finish Chrome Plated, Fits Bolt Sizes 3/8 In, Inside Dia. 0.385 In, Outside Dia. 0.680 In, Thickness 0.094 In, Thickness Tolerance +/- 0.010 In, Color Chrome, Rockwell Hardness C38 to 46, Meets/Exceeds ASME B 18.21. 1, Refills 2FUD5, Package Quantity 50. This item has been restricted from sale in the following state (s): []