Attitude Inc's Retro Bullet Turn Signal Indicator set are 39mm diameter and 79mm long. Lens is Amber, bulb is LED. Aluminium. Fits all kinds of aftermarket motorcycles. Aluminium Black or Polished - High Quality Weighted Turn Signals Enhance the look of your Motorcycle with these Custom Turn Signals These are Aftermarket Turn Signals for that unique customized look , Modern, Stylish, and Functional Aftermarket 100% brand new Heavy Duty Cast Aluminum. Bulb Type: LED LED Light Color: Amber/Red Mounting Bolts size: 10mm Usage: Turn Signal / Blinker / Indicator Light Comes with 4 wire. Fitments Fits most of Harley motorcycles, chopper, cruiser, custom bikes