High precision vise for a quick change of hook. To use, simply squeeze the lever and insert the hook into the jaw. When you release the lever the hook will be held firmly in the vise. The hardened steel jaw is designed to hold hooks ranging from tiny size 28 to mighty 5/0 saltwater hooks with no adjustments. Other features: lever with anatomic handle, 360° rotary action with dual precision ball bearings, double diameter handwheel, adjustable rotary tension, locking position 0°-180°, adjustable tying angle, adjustable height. The lever can be set up for both left and right handed use. Supplied with pedestal base, spring material clip, allen keys and instruction manual.