Sew Easy Quilt Ruler Cutter 4 1/2 Inches x 27 1/2 Inches ER4186. Powerful Cutting: The cutter takes a standard 45mm rotary blade and will cut up to Fabric - 6 - thickness. Paper - 12 - sheets. New 27 1/2 Inch Length: The longer length enables cutting the entire width of a standard patchwork fabric bolt. Clear Markings: Featuring easy to read measurements at 1/8 Inch, 1/4 Inch, 1/2 Inch, and 1 Inch increments with 30 degree, 45 degree, and 60 degree angles. Safety Cutting: Unlike hand rotary cutters, the blade is fully enclosed and spring loaded. When the cutting action is finished, the blade retracts automatically into the carriage. Fixed Cutting Depth: The ruler cutter system limits the cutting depth guarding against deep cuts into the cutting mat and reduces wear on the cutting blade. Quick Change Blade: New exclusive magnetic system conveniently holds the blade in place for easy cleaning or replacement. 40060044