Construction: 7/8-inch O.D. x 0.120""; wall seamless 4130 chromoly tubing. All bends are created with internal mandrels on a CNC bender to reduce flat spots in the radiuses, and all welded joints are precision mitered and TIG welded. For exact measurements, please click the Specifications icon in the photo album. Available in two styles: Smooth for aftermarket hand controls or custom applications, and Dimpled for stock Harley-Davidson switches and levers.