360 swivel base vises include 2 lockdowns to secure work position when utilizing swivel. Pipe jaws assist in bending, cutting and holding materials. Anvil attached for pounding. Made with cast iron channel for strength and durability. Jaw Width (in.): 4, Jaw Capacity (in.): 4, Pipe Jaw: Yes, Double Look-downs: Yes, 360 Swivel Base: Yes