Bloc Loc’s Flying Geese Set #6 contains 1″ x 2″, 1 1/2″ x 3″, 2″ x 4″ rulers that lock onto the seams for instant ruler placement, control so that the seam end in the corners and trims the correct amount across the tip. No more wobbling, either! Once the unit is completed and trimmed, it will measure 1 1/2″ x 2 1/2″, 2″ x 3 1/2″ or 2 1/2″ x 4 1/2″. Trims full and partial flying geese, parallelograms, square in a square and many, many other versions of flying geese units. | Contains 3 Rulers