Exactly as the name suggests, the New & Improved version of Sew Ease's Ruler Cutter is just that a ruler and a cutter combined. A decent sized ruler with a movable rotary blade along one side that scoots along easily. Features: * 4 1/2" x 27 1/2"*Longer length to cut the width of a standard bolt of quilters fabric without having to move your ruler. *Easily cuts up to 8 layers of quilter's type fabric*For safety, only the edge of blade is exposed during cutting and blade retracts when not in use. *Ideal for use when strip piecing*Left or Right handed use*Fixed cutting depth guards against deep cuts into the mat and reduces wear on the blade*Quick change blade with new exclusive magnetic system***** The cutter takes a standard 45mm rotary blade.