CNC machined from billet aluminum, and then powdercoated gloss black. This unique one piece construction is water and vibration proof. Not like those cheapo cast lights that go out after a month. These are high intensity dual function LED's that allow for a three function capability. Run, brake, and Turn. Available in RED for brake light, or Amber if  you prefer to use them as blinkers (order 2). We use these as tailights on all of our custom builds. They bolt right on to our Primo, BDL, and Ultima license plate brackets. Price listed is for 1 light. BE SURE TO ORDER A QUANTITY OF 2 IF YOU NEED A PAIR. Same light that is used on many West Coast Choppers El Deiablo's and CFL's. Measurements are 3-1/4" long by 1-5/16" diameter. MADE IN THE U.S.A.!