- Round and hexagon profiles. - Aluminum, brass, steel, stainless steel, nylon, phenolic. - More than 40 metallic finishes. - Lengths from 3/32 to 2 inches. - Diameters from 1/8 to 3/4 inch with clearance holes ranging from 0.064 to 0.505 inch. Used for printed circuit board mounting and other applications requiring close control of dimensions, these spacers offer a wide variety of outside dimensions and lengths. In addition to standard models, swage configurations are available to accommodate circuit boards with thickness from 1/32 to 1/4 inch. Custom Design, Engineering, and Manufacturing When you have a critical project that requires a special piece of electronic hardware, RAF is ready to work with you to produce just what you need. Whether you want to modify one of the existing stock components or have something completely different in mind, we offer the design, engineering, and production services that turn your ideas into reality. Our world-class production facility and in-house plating operation combined with years of problem solving means that any part can be customized to your exact specifications. Contact an RAF representative today and find out how easy it is to get that special hardware.