UP FOR AUCTION IS A NEW GENUINE K-D LAMP CO. 7" STOP LIGHT NUMBER #258 CIRCA 60'S 70'S. THIS IS A 12 VOLT ONE WIRE LAMP THAT WAS USED ON TOW TRUCKS & SERVICE VEHICLES. MOUNTING STUDS ARE ON 2" CENTER TO CENTER, NO CRACKS OR RUST. PERIOD CORRECT COULD BE USED ON 6 VOLT SYSTEMS JUST BY CHANGING THE BULB LONG OBSOLETE, E-MAIL ME WITH ANY ??????