Features and Benefits: * 360 degree swivel base * Machined base plate - smooth swivel * Reversible jaw for larger jaw opening * Gear type locking system with double lock down bolts * Two Built in anvils - built in pipe jaws * "V" notched jaw faces- V notches for vertical gripping High quality construction for extra durability and full strength performance at any jaw opening, this vise is made for the professional - strong, durable and built to last. Jaw opening: 8" - 11"; Throat depth: 4-3/4"; pipe jaw capacity: 1/8" - 3". Weight: 74 lbs.