HIGH QUALITY: The heavy duty swing hanger is made of durable carbon steel material, the interface of the bracket is not formed by welding, so it is not easy to break or deform.The ring part is made of stainless steel.BEARING DESIGN: Innovative bearing design provides a smooth, frictionless swing. We use larger bearings for greater weight capacity and wider use. Holds 660 lbs.APPLICATION: Heavy duty swing hanger can be used in indoor or outdoor, including the porch swing, swing chair, hanging heavy duty boxing sandbags, punching bag, swing, jungle hammock, kickboxing bags,Muay Thai bags or any other swing used for playground swings.It can also be used for hanging deer in garages.EASY to INSTALL: Our swingset attachments have been crafted with ideal dimensions, measuring 6 x 3.8 inches. Their proper size ensures they can be applied universally, aiding in swing repairs, or attached to a range of backyard playground equipment.