Item Type: Eye Plate_x000D_ Shape: Rhombus_x000D_ Material: 316 Stainless steel_x000D_ Purpose: Suitable for installation on solid wall, wooden ceilings, cement ceilings, brick wall, tile wall, floors, terraces, trees, etc. Can be easily installed indoors or outdoors wherever you want_x000D_ Fixed Hole Diameter: Approx. 5.5mm / 0.22in 1Good Quality 316 Stainless Steel: Made of good quality 316 stainless steel to prevent corrosion and rust, and after a perfect surface treatment, which bring a pure appearance to any vessel 2Enhance Load Bearing Capacity: The joints are welded seamlessly to enhance the load bearing capacity and ensure strong and durable 3Installation On Various Places: Suitable for installation on solid wall, wooden ceilings, cement ceilings, brick wall, tiled wall, floors, terraces, trees, etc. 4Easily Installed Indoors Or Outdoors: Eye plate can be easily installed indoors or outdoors wherever you want, suitable for hanging swings and shade sail accessories 510Pcs Eye Plate: Fixed hole diameter is 5.5mm, a total of 10pcs eye plate, enough for you to replace the old ones10 x Eye PlateThis product is made of stainless steel, and needs regular inspection and maintenance during use.