Various combinations: grommet kit set includes hole cutter, matching mandrel and 100 sets of grommet eyelets (each set includes 1 grommet and 1 washer), and storage box Eyelet Pouch: Provide an economical solution for repairing canvas, tarps, tents and pool covers, good for shoes/laces, clothing, craft projects etc Easy to use: easy to set the eyelets of the eyelets in place with the hole cutter and the paired mandrel; The chuck has a distinctive pattern on the surface, anti-slip provides more secure grips. repair canvas, tarps, tents, awnings, pool covers, etc.; The eyelets of the eyelets can be put in place more easily with the hole cutter and the mandrel. Durable and easy to use: Made of sturdy metal, the hole cutter and the chuck can be used for long time use; Each set of metal grommet and washer fit together well, won't crack and lose easily. Have a storage box: Comes with a plastic storage box. plastic, ideal for storing small eyelets, easy to find and bring back when sewing. Product descriptions: Material: metal, plastic Color : silver Eyelet size: Internal hole diameter 6mm Package includes: 100 x Grommets 1 x Hole Cutter 1 x Mandrel 1 x Storage box