Attitude's Turn Signal Indicator set are 39mm diameter and 63 mm long. Lens is Amber, bulb is LED. Aluminium. Fits all kinds of aftermarket motorcycles. Enhance the look of your Motorcycle with these Retro Drilled Vintage Custom Turn Signals, These Attitude Inc Turn Signals for that unique customized look Modern, Stylish, and Functional. Color: Black with Amber Lens Light Color: Amber Bulb Type: Incandescent Material: Heavy Duty Cast Aluminum Complete Custom Application, Modification May Be Required Dimensions: 63mm L x 39mm W x 39mm H Wiring: 2 Wire Set Up (Power Wire and Ground Wire) Universal Fitments: Harley, Choppers, all motorcycle.