This may be the most versatile FLY TYING VISE HEAD ever produced. Our Shank head is designed to hold Shanks, Tube Pins, and hooks from size 16 to 1/0. The left side of the head feature two hook grooves, the right side has a horizontal pin groove, and the jaw is a blunted perfectly for holding shanks. This is the HEAD for tying tube, articulated, and Game Changer style flies.