Mouse Quicklets Eyelets - Size: 15mm or asbout 5/8". These cute mice would go well with any of our cat brads. Eyelet Outlet Quicklets have a pre-scored back and can be set with most ordinary setters without a hammer. Just put the setter on the Quicklet back, press down and pivot to flatten. These can even be set with the tip of some pens. Try using the same directions with a ordinary pen. All of our Quicklets are 1/8" size. Package of 15.