Safe, no-hassle raising and lowering of a VHF antenna, no more climbing on T-tops or gunnels | Standard 1"-14 thread (male) shaft to accept standard VHF antennas | Machined / anodized aluminum body, light brushed finish with polished Type-316L stainless steel crank handle | Mounts through up to 2" thick hardtops | Includes 4" x 1/4" round backing plate (hardware not included)