OFFERED FOR SALE:VINTAGE ACCESSORY KEYLESS KAP GAS CAP LOCK LINCOLN HUDSON CHEVY FORD TRUCK
DESCRIPTION:THIS IS A "KEYLESS KAP" MODEL 100 COMBINATION LOCKING GAS CAP.JUST TO CONFIRM, HERE ARE SOME MEASUREMENTS:OUTSIDE DIAMETER IS 3 1/4"ACROSS THE EARS, THIS IS 1 3/4"THE UNDERSIDE HUB IS 1 3/8"THE GASKET IS 2 1/4" IN DIAMETER.THE CHROME CAP IS 1" TALL.I DO NOT KNOW THE "COMBINATION OF HOW THIS WORKS".PLEASE SEE MULTIPLE PHOTOS FOR THE BEST DESCRIPTION.