I love this manual grommet tool because I can attach grommets to my 20 x 30 foot awning to add extra hardware to keep it secure. windy conditions. I really appreciate the magnet feature that holds the bushings on the pliers while the hole is punched and the bushings installed. Higher recommends this fantastic tool over the normal standard gasket tool that requires you to first punch a hole and install the gaskets with a punch to install the gaskets.