Heavy duty dynamic ceiling mount for punching bags, wrecking balls, water bags, uppercut bags and more Innovative swing and swivel construction provides smooth and consistent movement in every direction Develop active footwork during your bag training workouts with more fluid and amplified heavy bag swing Constructed from heavy duty SAE 304 & A36 structural steel to easily support all heavy bags up to 250lb Integrated needle roller bearing swivel allows the bag to smoothly spin 360° at all angles Oversized welded mounting attachment ring easily accommodates any carabiner, spring or chain Ships fully assembled with easy-to-follow installation instructions. Includes 2.5" wood mounting lag bolts A heavy bag spring is highly recommended for all mounts (sold separately) Ideal for both commercial gym and home use