Thanks to a rotating carriage, this patented line-winding system eliminates twists by turning the line during transfer. Works with spinning and casting reels. Holds flat, 1/4-lb. and 1/2-lb. spools. High-strength graphite frame with a ball-bearing system. Easy line-tightness adjustments. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Line Winders.