Material: The grommet plate is made of high-quality 304 stainless steel, which is durable, rust-proofcorrosion-resistant, high-strength, brightdelicate without burrs,has a long service life. Can be used both outdoorsindoors, ideal for hanging or fixing hanging chairs, cheliers, swings, sbags, hammocks, ceiling fans, hanging planters, ceiling hooks, shade sail mounting fasteners, boat deck buckle accessories, etc. Easy to use: These grommet panels are very easy to installuse. Tighten the screws into the four screw holes of the bracketfix it to the wood or wall. Works with a variety of spreaders, rigging materials,anchors. StableSturdy: The stainless steel eye plate base uses fusion welding technology to ensure stabilitydurability, very strongimproves load-bearing capacity.