See-Hit ST-4 provides a versatile one inch grid. This target fractures to a fluorescent green color around the bullet hole. All of these targets are printed on 15″ x 15″ heavy stock cardstock and sold packets of 6. The precision 1 inch grid will help you determine adjustment on scopes or sights. Most shooters consider this target having multiple aiming points. Try them and you will see more readily the bullet hole.