Precision Trimmer 6 (FSPPT6) Use this nifty, multi-purpose, 6-1/2 inch Rotary Cutting Ruler designed by Marsha McCloskey to: Make perfect 1-1/2 inch, 2-1/2 inch, 3-1/2 inch, 4-1/2 inch, 5-1/2 inch and 6-1/2 inch squares (These dimensions include seam allowances) Center prints, piecing and appliqu in each size of square Trim points for easy matching on 45 degree angle patches Instruction for use included