Bloc Loc’s Flying Geese #7 set contains all three of your favorite rulers; 1 1/2″ x 3″, 2″ x 4″, 3″ x 6″. Trims units to 2″ x 3 1/2″, 2 1/2″ x 4 1/2″ and 3 1/2″ x 6 1/2″. Groove technology locks onto seams for total control–there’s no rocking and seams go where they should. Trims flying geese and square in a square units quickly, easily and best of all, they’re fun!