Amazon.com: Dolibest Heavy Duty Swing Hanger, Swing Set Accessorie for Indoor Outdoor Playground, Porch Swing Hanging Kit for Wooden and Concrete Set with 4 Wood Screws and 4 Expansion Bolts, 900LB . :
Swing-N-Slide Playsets Regular Duty Swing Hanger NE 4464-1 - The Home Depot
Amazon.com: Aisto Swing Hanger Swivel Hook for Swing Sets Porch Wood Concrete Ceiling Silent 304 Stainless Steel 1000 Lb Capacity Heavy Duty for Yoga Playground : Patio, Lawn & Garden
Commercial Grade Swing Hangers
3.5-inch Swing Hanger with Clevis Pendulum - BlueRidge Playgrounds
Ductile Pipe Swing Hanger - SH115/SH125 (Commercial) - Swingset Parts Pro