The General Tools 1260-4 is a 1/2-Inch Grommet Kit. Features: Grommet kit makes it easy to fix canvas tents, sailcloth and lawn furniture Use to repair a wide variety of fabrics and other materials Mandrel and matching anvil made from hardened steel and coated with black oxide to ensure grommet pieces are securely and permanently joined Contains 24 1/2-Inch solid brass grommets with a hardened steel hole cutter and hardwood backer block Measures 13.1-by-5.8-by-4.2-Inch (Width by Height by Depth); weighs 4.9-Pound What"s In the Box: General Tools 1260-4 1/2-Inch Grommet Kit