SHIMANO CORVALUS, Round Baitcating Freshwater Fishing Reel The Corvalus round baitcasting reel is built with a one-piece die-cast aluminum frame that will stand up in battle with the toughest fish Offers a cast aluminum frame and aluminum side plates for longer smoother life and increased casting efficiency Employs Super Stopper and Assist Stopper to eliminate back play providing the angler with instant hook setting power The Variable Brake System offers easier to manage and much more consistent spool speeds and takes advantage of the reels maximum casting distance