Magnetic Grommet Pliers: The tarpaulin grommet pliers are magnetic on the top, which can easily adsorb and fix the grommet in the right position, keep the grommet fixed well and will not fall off, saving a lot of efforttime and steps during the operation. Eyelets: , the inner diameter of the eyelets is 10mm, the outer diameter is 16.5mm.The grommets are made of pure copper, the surface is coated with electroplating process, it has good rust and corrosion resistance, sturdy and durable. Easy to Use: This set of air grommet buckle accessories, easy to use, the grommets and gaskets were installed in the top of the grommet pliers, can be pressed onto the grommet pliers handle to installdirectly the eyelets, the use of leverage to create strong pressure to directly complete the hole punching and installation of the eyelet buckle. Wide scope of application: The eyelet press kit is suitable for installing and hanging all types of tarpaulins, tents and curtains, as well as decorating clothes, bags and accessories and making a varietycrafts, can be used for leather, awnings, canvas, PVC tarpaulins and banners, cardboard, etc. Attention: This curtain grommet clip can be punched and installed directly on most thin and medium hard and soft materials, but for thicker materials such as thick leather and towels, you need to open the holes before installingthe eyelets.If you have any problem while using this eyelet pliers, please contact us, we will be happy to help you.