Grip Tight Archwire Use Masel’s precision made locks for retracting or rotating teeth without welding or soldering. Ideal for distalizing molars with .045” distalizing coil springs shown on page 71. Locks help to prevent slippery nickel titanium from sliding out of the buccal tube. Reusable locks save time by allowing easy repositioning. • 5 locks and 5 nuts per pack