Split Lock Washer, Standard, 18-8 Stainless Steel, Fits Bolt Sizes 5/16 In., Inside Dia. 0.314 In., Outside Dia. 0.583 In., Thickness 0.078 In., Meets/Exceeds ASME B 18.21. 1, Package Quantity 50. This item has been restricted from sale in the following state (s): []