Heavy Duty Base Mount Beacon HEAVY DUTY BASE MOUNT BEACON B6715 - 12 Volt B8715 - 24 Volt HEAVY DUTY GEAR DRIVE 12 Volt Quartz Halogen Heavy Duty Gear Drive THREE MOUNTING OPTIONS INCLUDE: BOLT DOWN HOLES HIGH STRENGTH MAGNET SUCTION CUP REPLACEMENT LENS REPLACEMENT 12 VOLT GLOBE B5621 Fits Late Type Gear Drive B7319 Fits Early Model "SUNBEAM" Friction Drive B6716