Polished stainless steel type 316L. Ambidextrous 45� arms ideal for trolling from gunnel. Unique hex nut locking design offers multiple fishing positions. Removable arms allow for unobstructed gunnel. For use at trolling speeds only. The arm does not lock into the mount. Outriggers should be in the vertical position when the boat is operating at running speeds. Base dimensions: 1-1/2″. Sold in pairs.