CARL MANUFACTURING-Professional Quality Rotary Trimmer. This heavy duty table top rotary trimmer can handle just about anything you desire to cut: Photos; cardstock; chipboard; paper; foam; acetate and much more! Cuts up to ten 20 lb. sheets of paper at one time! The 12x9inch mat with detailed ruler markings for inch; centimeter; and millimeter; is replaceable so you don't have to get a whole new trimmer when it wears out; an assortment of blades are available in a variety of styles that are quick and easy to change (trimmer comes with one straight blade only); sturdy metal base is calibrated with preset measurements for A4; Letter;10x8in photo; 7x5in photo; 6x4in photo and many more popular sizes of papers. Trimmer measures: 15x10-3/4x2-3/4in. Colors: gray; blue. Imported.