[High quality] These eyelet tools are made of solid metal, durable, corrosion and rust resistant. Internal diameter: 14mm, outer diameter: 23mm.[Easy-to-use design] Simple connection of rivet set, punch knife and corresponding mandrel. The characteristic pattern on the surface of the chuck is very rough, which can prevent slippage and provide firm support.[Wide Application] These perforations are suitable for denim, canvas, tarpaulin, tents, awnings and other fabrics, as well as decorative belts, backpacks, clothes, shoes, etc.[With plastic storage box] All these rivet sets and tools are packed in a box. clear storage tee with a moveable baffle, helping you find the right components and save time.[Package Includes] Eyelet kit includes a hole punch, matching mandrel and 100 holes (each group contains 1 hole and 1 washer) and a storage box. Size:14mm/100pcs Plastic box for storage easy Plastic storage boxes are ideal for storing small parts or tools and are easy to find when in use Who is the eyelet jumpsuit suitable for? Suitable for do-it-yourselfers who like to do it yourself, decorate clothes, leather goods, shoes, hats, repair tarps, sailboats, tents , awnings, etc. use: Put textiles or paper on a slate, hit it with a hammer, then hit it hard several times. (The hammer and punch should be perpendicular to the slate, otherwise the punch is easy to bend) Make small holes on pins and high-quality perforated textiles and equip them with suitable discs. With only a few punches, the blow holes can be firmly connected to textiles or paper. Remove the punch tool and inspect the holes. Perforations do not corrode and ensure long-lasting quality. Material: metal, plastic Color: silver Grommet Size: Inner Diameter: 14 mm Outer diameter: 23 mm Package includes: 100 holes 1 x hole cutter 1 x brooch 1 x storage box Attention Wear gloves when using to protect your hands