All you need to get professional results making your own grommets/eyelets * One-piece metal grommets are self-backing; 1/4" inside diameter, 1/2" OD flange, 3/16" barrel length * 7" pliers has special hardened steel anvil & mandrel jaws - just squeeze to crimp grommet in place * Pliers has steel body with galvanized finish, PVC-dipped handle for comfort & non-slip hold * Includes 100 grommets for canvas, vinyl, leather and other fabrics; additional grommets available