Berkley Trilene HD III is a heavy-duty, motorized fishing line spooler and metering machine used in tackle shops. Used unit in good condition. New typically sell for $800.For a WinderYouTube · ahsumdjKey Features of the Berkley HD-111Motorized Spooling: Powerful, motorized winding that removes old line and tightly spools new line onto baitcasting and spinning reels.Line Metering: Includes a mechanical counter to track exactly how much line is put on a spool.Industrial Build: Made with heavy-duty components.