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, each hole is 4.6mm in diameter.Support Capacity: High strength D-ring lashing with high tensile steel construction for strength and durability, can hold up to 50kg load per ring.All stainless steel eye plates are thinly machined, simple and clean design, no sharp corners.Widespread: Diamond-shaped eyelet pads can be used for butt bolts of small yachts and boats, roof beams, ceiling fan, suspension exercise belts, gymnastic rings, yoga swing hammocks , marine deck fittings, deck rope, awnings, decorative ropes and nets. Resistance bands for exercise, hiking.Strong materialThe D-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 into the screw holes of the brackets and fix them to a wooden or metal surface, then screw the hooks. Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received.