Grand Slam 800 VHF Antenna MountThe 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. Features:Safe, no-hassle raising and lowering of a VHF antenna No more climbing on T-tops or gunnels Machined / Anodized aluminum body Light brushed finish 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 2 thick hardtops Includes 4 x 1/4 round backing plate (hardware not included) Made in the USA 1-year limited warranty