Grand Slam 800 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.  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