Materiel: ABS Housing + aluminum stem. Usage??Used for running light,brake stop light,rear tail light, license plate light,turn signal light Design: perfect match to the chopped rear High Quality:Super bright with high visibility safety lights, big difference between Low and High brightness Fitment:Universally fits for most motorcycle, street bike, standard bike, naked bike, dirt bike ATVs, off-road vehicles, Custom Chopper, Cruiser, Dirt Bike, Buggy, Cafe racer. Wide Fitment: Fits Most Motorcycle, Street Bike, Cruiser, Chopper .May need tiny modification for some models. Easy Install Feature: Designed for Most Custom MotorcycleCan be used as a running & brake light or marker light.Super bright high power bulb provides maximum visibility & safety.