TenPoint AcuDraw 50 Accurate draws every time;When not in use, powerful mini-magnets hold the handles securely and in place;No more need to hold onto a rope or to stash it in a pack;Cords/ropes retract neatly inside the housing after cocking;**Each ACUdraw 50 handle is marked: WARNING: Contains a powerful Neodymium magnet that may interfere with the safe operation of pacemakers or other medical implants.**