1These grommet punch tools are made from high quality carbon steel for high hardness and long service life 2There are several type of tools for different size of grommets that you can choose the one you need 3Well designed tool, easy to use and carry, convenient and useful, handle is comfortable to grip 4The sizes stated here are internal diameters of grommets, namely if you need to fix grommets of inner size 4mm, please choose 150#4mm 5Perfect for making or repairing leather craft, clothing, handbags, curtain, jackets, etc This grommet punch tool has two parts: top die and bottom die that are working together to punch grommets. You can conveniently seat the grommets with this tool.The practical grommet punch tool is very essential equipment for dress makers, artists, craftsmen, sign shops and clothes manufacturers, etc. It is easy to use no matter you are a professional or novice. Features: These grommet punch tools are made from high quality carbon steel for high hardness and long service life. There are several type of tools for different size of grommets that you can choose the one you need. Well designed tool, easy to use and carry, convenient and useful, handle is comfortable to grip. The sizes stated here are internal diameters of grommets, namely if you need to fix grommets of inner size 4mm, please choose 150#4mm. Perfect for making or repairing leather craft, clothing, handbags, curtain, jackets, etc.