Adjusts to your needs: The 360° swivel base can be positioned and locked in place with dual lockdownsAdded durability: Constructed of cast iron with steel U channel barEfficient design: Features a flat portion that acts as an anvil and additional work surfaceVersatile applications: 6-1/2" wide serrated jaws, 5-1/2" jaw opening and 1/8" to 2-1/2" pipe capacity with 3-3/4" throat depth provides clamping action for various applications Adjusts to your needs: The 360° swivel base can be positioned and locked in place with dual lockdownsAdded durability: Cons