Create a custom work holding tool for your specific needs with the PanaVise system of interchangeable Heads, Bases and Base Mounts. All PanaVise Bases include the patented "split ball" which allows a Head to be positioned through three planes ("90 tilt, 360 turn & 360 rotation"). All 300 series Bases accept all 300 series Heads. A variety of Base Mounts adds dozens of useful options.