TACO Marine Grand Slam VHF Antenna Mount - The GS-800 VHF Antenna Mount was created specifically to prevent climbing on the boat gunnel to raise and lower a VHF antenna. Lift and descend the antenna from the safety of the deck from under the top. Its smooth operation, attractive machined aluminum frame and cast stainless-steel rotator make this item a must for any boater. Safe, no-hassle raising and lowering of a VHF antenna No more climbing on T-tops or gunnels Standard 1in-14 thread (male) shaft to accept standard VHF antennas; Machined / Anodized aluminum body Light brushed finish; Water-resistance IP66 rating; Sealed piston; Polished Type-316L stainless steel crank handle Folding crank handle locks flush into base Threaded shaft for consistent lift and descent Delrin bearings for smooth operation Roller bearings in crank assembly Mounts through up to 2in thick hardtops Includes 4in x 1/4in round backing plate (hardware not included) Pairs with 6deg Wedge Plate (WP-800-900), which is sold separately; Made in the USA 3-year limited warranty