Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Rust-proof Pad Eye Plate: The ceiling hooks for hanging made of premium stainless steel to against corrosion & rust, which are suitable for installation indoors and outdoors. Ring with 4 Holes: The wall anchor is designed with 4 holes for greater durability and stability. The support is than a bracket with 2 holes. Safely supported up to 1000lbs with a high quality welding process. Solid stainless steel structure provides higher strength. Wall Ring Creat Wider Space: The ceiling hammock is very small for your room (possibly smaller than the type), and you can make the of the overhead space. Heavy Duty Hooks Application: The suspension ceiling hooks perfect for yoga hammock, hanging chairs, hanging swings, hanging lamp, sling trainer, hanging cave, sail, hanging , hammocks, awning, boxing bag, punching bag and more. Specification:Suspension Trainer Bracket is easy to install and the diameter hole can be mounted directly, simple and quick! colour: silver Material: stainless steel size: fixed hanging plate: diameter 90mm, aperture 8mm; lock: length 80mm;expansion screws: length 70mm Package Contents: 1 * stainless steel fixed hanging plate 1 * lock with nut 4 * expansion screws Ceiling Hooks Heavy Duty Attention: Ceiling mount suspension Only to be mounted on concrete ceilings or wooden with the included mounting material. to plasterboard ceilings, clay walls or other soft building materials. Note:Please make the wall is solid and sturdy. Please pause the product if there are signs of looseness. Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.