New ASTATIC  PRO AM ASTMM  mobile antenna break-over mast. Combine with any 3/8-24 threaded antenna resonator (sold separately) to create a mobile HF antenna. For deck or fender mounting, 54” high aluminum mast folds at roof line 21" above the base. Stainless steel base is threaded to fit all Hustler and other 3/8" x 24 thread ball mounts.  

ANTENNA MOUNT SPECIFICATIONS: • 54 inches tall, fold-over at 21 inches above base • Stainless steel mast • Stainless Steel base fitting and fold over with 3/8" X 24 threading • Requires HF top resonator (sold separately).