Yes4All Wood Beam Punching Bag Hanger (Optional: Boxing Chain & Swivel) None of fabrics Imported Boxing Chain: Free turning, solid steel swivel, zinc galvanized Wood Beam Hanger: Mount point for single or double-end heavy bags Boxing Chain: 4 snap hooks to secure your bag Total shipping weight: 3 lbs Wood Beam Hanger: Includes all the nuts and bolts you'll need for installation