Eyelet set of 120 pieces: These eyelets have an inner diameter of 12 mm and an outer diameter of 20 mm. The eyelet is made of pure copper, the surface is electroplated, which has good rust and corrosion resistance, strong strength and longevity. Complete Grommet Set: The set includes a set of punch tools, 120pcs grommets and a storage box. All items are stored in one box, easy to organize and store, without material loss. Easy to use: This tarpaulin grommet set is complete with accessories that can be easily used, and a series of hole opening and grommet buckle installation operations can be easily accomplished by using the corresponding tools. Widely used: This eyelet kit is suitable for installing and hanging all types of tarpaulins, tents and curtains, as well as decorating clothes, bags and accessories and making all kinds of decorations. craft items to meet your creative DIY needs.