The Renzetti 2300 Traveler will hold hook sizes from 4/0 to #28 securely in its cam adjusted jaws. True Rotary functionalilty keeps the hook shank on the same plane while rotating which makes for simple palmering and wrapping of materials. The heavy pedestal and 7" base stem makes your time at the vise comfortable and hassle free. This is a great vise for beginer and advanced fly tyers alike and will provide a lifetime of reliable use.