General description The 400PCS Sewing Eyelet kit includes four colors of high-quality copper eyelets, perfect for various DIY projects. This comprehensive set is ideal for use on shoes, leather bags, and other fabric items. Technical specifications Eyelet quantity: 400 (100 in each color: silver, gold, bronze, black) Eyelet dimensions: Inner diameter 5mm, outer diameter 8.5mm, cylinder length 3.5mm Materials: Eyelets made of brass, washers made of stainless steel, tools made of steel, storage box made of plastic Installation Use the hole punch tool to create holes in the fabric. From the back, insert the eyelet with the outer diameter facing down. Place the washer on the front side. From the rear, position the base through the holes. On the front, place the installation tool and insert it into the base with the grommets and washers. Stabilize the tool, then remove the base and installation tool after finishing. Usage The eyelet kit is suitable for a wide range of applications,