Grand Slam 890 Universal Mount w/Longer BodyThe GS-890 is still designed for mounting antennas, lights or flag poles on the top of your t-top but with a longer body to accomodate thickert-tops. The GS-890 installs easily to compatible Taco Marine mounting plates. Their key features are in the location and that they can be actuated from the helm. This represents a significant convenience for boaters and a safety feature as well with the capability of adjusting from under the top. The rugged design will provide years of reliable service even in the most challenging saltwater applications. The GS880 & GS-890 are the ultimatesolutions for boats 25'+ where safety is paramount.Features:Anodized AluminumLight brushed finishFits standard 1" x 14 threaded rod for antenna, flag pole or anchor lightUnique design allows for raising and lowering antenna, flag pole or anchor light from under the topFolding crank handle stores flush into basePolished Stainless Steel Type 316 crank handleDelrin roller bearings provide for smooth operation and durabilityHand crank; no power requiredMounts up to 2" hard topIncludes GS-891BXY Backing Plate for additional support when mounting to hard tops and gunnels