THE GYPSY QUILTER-Gypsy Quilter Gripper has a comfortable handle; and 2 large suction cups with hand lock and release levers. Simply press the suction cups to any plastic ruler; then flip the levers to lock in place. Will work with smooth surface rulers that are at least 4in wide; including most rectangles; squares and triangle shapes. Measures: 11-3/8x3-1/2in. Imported.