Shoulder Dia.: 0.399 In;Outside Dia.: 0.26 In;Fits Bolt Sizes: #10;Package Quantity: 40;Color: Off White;Inside Dia.: 0.2 In;Type: Long Barrel;Application: Used For Insulating;Item: Shoulder Washer;Temp. (F): -40 To 185;Shoulder Thickness: 0.0625 In;Length: 0.5 In;Finish: Natural;Material: Nylon 6/6;Country Of Origin (Subject To Change): United States;