Perfect tool for turning bias tubing, button looping or other trims. With exclusive latch-hook ends that holds fabric securely A necessity when making narrow spaghetti-straps, button loops or frog closures. Latch-hook end catches fabric to pull it through bias tubing. Size:10.5" A loop turner is a very thin metal rod with a ring on one end and a hook and latch on the other. It's great for any fabric cylinder that needs to be turned right side out. If you want really skinny spaghetti straps or tubes for loop buttonholes, it will work the best.