<p>Spring Lock Washer, Extra Duty, Steel, Finish Zinc, Fits Bolt Sizes 3/8 In., Inside Dia. 0.377 In., Outside Dia. 0.738 In., Thickness 0.123 In., Meets/Exceeds ASME B18.21.1, Package Quantity 50</p> <p><br /><b>Features</b></p> <ul> <li>Finish: Zinc</li> <li>Inside Dia.: 0.377&quot;</li> <li>Item: Spring Lock Washer</li> <li>Material: Steel</li> <li>Outside Dia.: 0.738&quot;</li> <li>Type: Extra Duty</li> <li>Fits Bolt Sizes: 3/8&quot;</li> <li>Thickness: 0.123&quot;</li> <li>Meets/Exceeds: ASME B18.21.1</li> </ul> <p></p>