Multi purpose 9-inch trimmer is ideal for home school or office use. Sharp blades allow for precision cutting of 20-lb paper cardstock construction paper digital photographs and more. Features-titanium bonded blades are 3 times harder than stainless steel, so blades stay sharper longer, swing out 12-inch ruler is flush with base for accurate measuring and cutting of larger pieces. Includes-1 cutting blade (yellow) and 1 scoring blade (blue). Measurements scaled in-inch and metric-easy to use 1/2 grid. Size-1/20h by 4-3/4w by 12-1/4d. Westcott 15-year warranty. Caution-blade carriage is extremely sharp.