Ruler size - 5 ¼” x 10” Unit size - 9 options from ¾” x 1 ½” finished size units to 4 ¾” x 9 ½” finished size units All sizes on this ruler are based on heights that finish to ¼” or ¾” & heights increase in half inch increments Step by step illustrated instructions, with instructions and illustrations for left hand trimming