Pitch of holes: 9.94'. Life Span: Over 5000 Hours.Wire Conection Tips:White wire connect to ground. Black wire conncect to Cab Light Wire. Universal for Trucks, trailers, tractors, semi-trailer, Dump Truck, bus, boat, special vehicle, etc. For Heavy Duty trucks like Peterbilt, freightliner, international, Kenworth, mack, etc.
17 LED Amber Watermelon Grakon 1000 style cab lights. Heavy duty Foam gasket and plastic chrome housing. 15.25" L by 4.50" H by 3.25 Diameter. Distance between mounting holes is 10.375.Light is supplied with 2 wire leads for ground and hot wire. These Lights are impact resistant and less susceptible to shock damage. Each LED is directly wired and water-tight sealed. These LEDs draw less current, generate less heat and are brighter and light faster than an incandescent bulb. 5x 17 LED Amber Semi Truck Bus RV Roof Cab Marker Lights.