Various Combinations: Grommet kit set includes a hole cutter, a matching mandrel and 100 sets of grommet eyelets (each set includes 1 grommet and 1 washer), and a storage box Grommet Pouch: Provide a cost-effective solution for repairing canvas, tarps, tents and pool covers, good for shoes/shoelaces, clothing, craft projects, etc. Easy to Use: Easy to place the grommet eyelets in place with the hole cutter and the matched mandrel; The mandrel has a distinctive pattern on the surface, anti-slip provides more secure grips Dood DIY Tool: The grommet kit provides you with a cost-effective solution for repairing canvas, tarps, tents, awnings, pool covers, etc.; The grommet eyelets can be set in place more easily with the hole cutter and the mandrel. Durable and Easy to Use: Made of sturdy metal, the hole cutter and mandrel can serve for a long time use; Each set of metal eyelet and washer fits well together, not easy to crack and lose. Have a Storage Box: Comes with a plastic storage box, ideal for storing small eyelets, easy to find and bring back when you are sewing. Product Descriptions: Material: Metal, Plastic Color: Silver Eyelet Size: 6mm Inner Hole Diameter Package Includes: 100 x Eyelets Grommets 1 x Hole Cutter 1 x Mandrel 1 x Storage Box