The PRO Mountings GS Ceiling Punching Bag Mount can be mounted to a drywall, concrete, or open ceiling joists. The Gas Spring assisted mounting is the first in the industry to incorporate a gas spring counterbalance mechanism to reduce vibration! Also includes the all NEW suspension trainer mount that goes right onto the ceiling mount.The PRO Mountings GS Ceiling Punching Bag Mount can be mounted to a drywall, concrete, or open ceiling joists. The Gas Spring assisted mounting is the first in the industry to incorporate a gas spring counterbalance mechanism to reduce vibration! Also includes the all NEW suspension trainer mount that goes right onto the ceiling mount.