CNC lathe-turned 6061 T-6 aluminum light housing; extra thick injection-molded polycarbonate plastic lens with 5-40 Phillips head mounting screws; die-cut rubber internal LED spacer gasket; custom 15-element LED board with two phases (brake light and running light) and three wires (ground, brake and running lights); two 1/4"-20 button head Allen bolts for mounting on Biltwell custom fender bracket (sold separately) or existing Model-A style taillight/license plate brackets.