Heavy-Duty Ratchet Antenna Mount - 316 Stainless SteelFeatures: 316 stainless steel construction Lay-down handle quickly loosens the ratchet for a fast, easy antenna drop Features standard 1"-14 male thread mount with a hole for a Loran cable The lightweight mount may be used self-supporting with an antenna up to 15&'; long Both mounts feature two ratchets for both up/down and side-to-side adjustments Flat base for deck mounting Base dimensions: 3A 1/2" x 2A 1/2"