The Superfly Crown Vise features an easy to use spring lever to securely hold hooks and prevent slipping. It has a variable axis head, to adjust the angle of the vise jaws. The vise can also be adjusted to allow the jaws to rotate 360 degrees. The vise comes with a clamp that can easily be attached to any desk or table. The c-clamp also has a height adjustment to ensure comfortable tying. The heavy pedestal base comes housed in a wooden storage case.