The “2006 Washer Catalog” from Boker’s Inc. specifies washers, spacers and shims in outside diameters ranging from 0.080 to 5.140 in. and in a variety of thicknesses and inside diameters. Metric sizes and large-diameter washers also are offered. The items are available in various types of steel, aluminum, brass, copper and nickel silver as well as in nonmetallic materials such as Delrin, Teflon, Mylar and nylon. The catalog lists tools for nonmetallic materials in boldface. It includes information on the company’s stamping capabilities, secondary operations and delivery services.