Large diameter: 50 sets of eyelets (each set includes 1 eyelet and 1 washer), inner diameter: 20mm, outer diameter: 30mm, two colors: silver. Cost-effective combination: Large diameter tarp eyelets, more convenient for repairing canvas, tarpaulin, tent, awning, swimming pool cover, etc. The rope is easy to pass. STURDY METAL: Eyelet kit, strong, thick, made of high quality metal, not easy to deform, rust-proof, can be used outdoors, a hole cutter can easily cut fabrics, with non-slip pattern. Good fixing: the edge seam with eyelets is wide, they allow a good adhesion on fabric, PVC canvas or vinyl, and easy to remove, tools adapted to facilitate the installation of the product. Simple installation: make a small hole in the canvas, put a wooden base at the bottom, add an eyelet and a washer, then hammer it to bring the eyelets closer to the eyelets, just a few seconds.