Griffin Montana Pro Fly Tying Vise - The Montana Fly Tying Vise is an excellent addition to the Griffin line of quality vises that has been expertly designed for ease of operation and quickness of the cam lever hook release. The cam lever can be locked in a forward or backward position, allowing more clearance while tying. Ideal for pro tyers and beginners. The tempered steel jaws will firmly grip hooks ranging form 22-7/0's. Lifetime warranty.