A complete and affordable kit for consumer use. Each kit consists of a #235 grommet die, a #245 cutting punch, a small cutting board and several brass plain grommets and washers. Instructions included. Hole diameter when set-in. 00 - 3/16" 0 - 1/4" 1 - 9/32" 2 - 3/8" 3 - 7/16" 4 - 1/2" 5 - 5/8" 6 - 13/16"