WIDE RANGE OF USE: For indoor & outdoor use, applicable for Concrete Ceiling & Wooden , best anchoring solution for all suspension straps and resistance trainers, Hammock Swing kit, Rings, Battle Ropes, Yoga Swings, Boxing Equipment. CORROSION RESISTANCE STRONG ENOUGH: All parts made of high quality 304 stainless steel raw materials. No rust, no corrosion and high hardness to safety use and environmental friendly with non-, no smell. Suitable for any scene. EASY TO INSTALL: We've pre-drilled two holes for bolting drilling to wooden or concrete ceiling, just (install the screw) to have the installation done. SAFE & LARGE WEIGHTLOAD - Manufactured of 304 stainless steel with added thickness, robust and corrosion-proof to maximumly load 800LB weights. U-TYPE FIXEDO AND OPENING DESIGN:Freely detachable design for easier connection.The innovative design makes use more flexible and can be used more widely.Premium welding process, it can safely support up to 550pounds.Supports all Suspension Strap Body Weight Trainer models, Resistance Bands, Yoga Swings, Hammocks, Boxing Equipment, Battle and Gymnastic Rings. 1. Check the welds are in good condition first. 2. Make sure can load the max weights you need to set up. 3. Get experts to drill holes if you are not sure how to set up the hanger. 4. For DIY, please refer to the specific sizing chart. 5. Gradually add weights to test whether the mount set is firmly and correctly installed. Color: Silver Material: 304 stainless steel Size: 80*40*58mm Package Contents: 2 * Swing Hangers 4 * expansion bolts Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.