Jet 373808 8" Bench ViseRugged fabricated steel construction Replacement serrated jaw inserts Built-in horizontal pipe jaws 360° swivel base with double swivel lock-downs Large flat anvil surface with curved horn Economically priced for general purpose use 8" Jaw width 8" Jaw opening 3-1/2" Throat depth 1-1/4" to 3-3/4" Pipe jaw capacity 7/8" Lead screw diameter