Swing Hanger Heavy Duty Hammock Chair Hook Punching Bag Ceiling Bracket with

【Easy to Install】Include 4 expansion bolts and 4 wood screws. There are 4 holes in the base of the swing hanger, and use screws through this hole to fix it on the concrete ceiling or wooden beam. The swing ring with carabiner, even if your chain, rope or connecting buckle is closed, it can be connected.

eBay