Large diameter: 50 sets of eyelets, (each set includes 1 eyelet and 1 washer), inner dia: 20mm, outer dia: 30mm , two colors: silver Cost-effective suit: tarpaulin eyelets with large diameter, more convenient to repair canvas, tarpaulin, tent, awning, swimming 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, anti-rust, can be used outdoors, acut hole cutters can easily cut fabrics, with non-slip pattern Good fixing: the rim of grommet seam is great, they can grip well on 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 eyelet grommets together, just a few seconds Product Description The small diameter of the eyelet eyelets still unhooking? 20mm inner diameter, 30mm outer diameter, eyelets to help you repair, once installed, firmly fixed, no more worry Other uses: For DIY, leather, jeans, suitable for replacing old eyelets or DIY items or tarps Packing information: Package includes: 50 sets of eyelets, (each set includes 1 eyelet and 1 washer) Size: Inner Dia: 20mm, outer dia:30mm , Uses: Using to repair canvas, tarp, tent, awning, swimming pool cover, etc Color: Silver Material: Metal eyelets, plastic storage box Note: 1. Remember to use a wooden stand to avoid damaging the hole cutter 2. Wear protective gloves when using 3. Can mark on fabric before use