This is Sullivan"s Standard Size Adjustable Control Horn. Suitable for all models up to 1.80 engine size. ++ Additional Technical Information Will Be Added As It Becomes Available. ++FEATURES: Control horn has a Nylon Horn that self threads onto a 6-32 screw. Horn position adjusts control throw. Screw either threads or glues onto the control surface.INCLUDES:REQUIRES:-SPECS:- Length:- Width:- Height:- Diameter: (If applicable)SullivanPart SULS566