Wide Application Areas: For indoor and outdoor use, suitable for concrete ceilings and wooden beams. Safe and Reliable: The commercial grade swing hangers are designed for use by children and adults (No more than 500 kg). Easy to install: Includes 4 concrete anchors and 4 hex screws, and unique design in one one piece and can be installed in minutes. Innovative Design: Design with a strong sturdy hook, the hook can be rotated 360. SUS304 stainless steel (stainless steel) O-ring installed to prevent tree from slipping. Product description Do flying yoga safely with the ceiling suspension hooks. Big areas of application For indoor and outdoor use, suitable for concrete ceilings and wooden beams. Safe and reliable Swivel hangers commercial grade are designed for use by children and adults (No more than 500 kg). Easy to install Includes 4 concrete anchors and 4 hex screws, and a unique one-piece design and can be installed in minutes. Innovative design design with a strong sturdy hook, the hook can be rotated 360. Steel O-ring stainless steel SUS304 (stainless steel) installed to prevent the shaft from slipping.