Set ContainsThis Set Contains 12 M5 Size Grommet Plates. The Diamond Shaped Stand Is 59Mm Long, 17Mm Wide And 2.4Mm Thick. Each Plate Has 4 Holes For Countersunk Screws, With Each Hole Having A Diameter Of 4.6Mm. Traction For Strength And Durability, Can Withstand A Load Of Up To 50 Kg Per Ring. All Stainless Steel Eye Plates Are Finely Machined, Simple And Clean Design, No Sharp Corners.Widepread : The Diamond-Shaped Eyelet Pads Can Be Used For Butt Bolts Of Small Yachts And Boats, Roof Beams, Ceiling Fan, Suspension Exercise Belts, Gymnastic Rings, Swing Hammocks, Etc. Yoga, Marine Deck Fittings, Deck Rope, Awnings, Decorative Ropes And Nets. Resistance Bands For Exercise, Hiking.Strong MaterialD-Rings Are Made Of High-Strength Stainless Steel With Strong Welds For Long Life And Strong Load Capacity. The Crossbeams Have A Protective Coating Against Corrosion And Rust To Ensure A Long Service Life.Easy To InstallThese Perforated Plates Are Very Easy To Install And Remove. Insert Screws Or Bolts Through The Screw Holes Of The Brackets And Fix Them To A Wooden Or Metal Surface, Then Screw The Hooks.