Large dia: 50 sets of grommets, (each set includes 1 grommet and 1 washer), inner dia: 20mm, outer dia: 30mm, two colors: silver Economical suit: tarpaulin grommets with large diameter, more convenient to repair canvas, tarpaulin, tent, awning, pool cover, etc. The rope is easy to pass through Sturdy metal: Grommet kit, strong, thick, made of high-quality metal, not easy to deform, rust-proof, can be used outdoors, sharp hole cutter can easily cut fabrics, with non-slip pattern Good fixation: the edge of the sewing eyelet is large, they can grip well on the fabric, PVC or vinyl fabric, and easy to remove, suitable tools to facilitate the implementation of the product Simple installation: Make a small hole on the canvas, put a wooden base at the bottom, add an eyelet and a washer, then hammer it to push the grommets eyelets together, just a few seconds Note: The data are all manual measurements, please allow an error of 1 - 3cm, due to the difference in light and display, there will be