Bloc Loc’s Flying Geese Set #1 contains 1 1/2″ x 3″, 2″ x 4″, 3″ x 6″, 4″ x 8″ rulers that lock onto the seam allowance for instant ruler placement, total control so that the seams end in each corner and trims the correct amount across the tip. Ruler rock is gone, too. Once a unit is completed and trimmed, it will measure 2″ x 3 1/2″, 2 1/2″ x 4 1/2″, 3 1/2″ x 6 1/2″ or 4 1/2″ x 8 1/2″. Trims full and partial flying geese, parallelograms, square in a square and many, many other versions of flying geese units. | Contains 4 Rulers