Swivel locking base to better position your work Replaceable heat-treated steel jaw caps and square threads Extra large back jaw anvil and anvil horn Rugged steel front jaw beam for years of dependable service Base swivels 360 degrees Max Jaw Opening: 7" Jaw Width: 6" Throat Depth: 3-7/16" Shipping Weight: 56 lbs. Shipping Dimensions: 14" x 10" x 8" ATD-9308 - Replacement Vise Jaws