An innovative advance in Top Gun engineering, Rupps Z-30 gear drive system offers unmatched ease of operation for top mount outriggers. Simply turning the palm-size handle deploys and retrieves riggers smoothly and effortlessly with an outstanding 30 to 1 advantage. Z-30 Top Guns are engineered for durability with a high strength, forged aluminum body that protects cutting edge components. Now with anodized aluminum knob and other enhancements. Forged 4 x 6 mounting flange provides ease of BOLT-IN installation and below top operation. Designed to accept Rupp Top Gun poles in 15 or 18.