TONIC STUDIOS-Super Trimmer. This 12in trimmer is ideal for scrapbooking, photographs, all weights of paper, lightweight card stock, rubber stamping, card making and much more! Anything that needs a crisp clean straight edge! This trimmer features unique lever for easy paper alignment, English and Metric measurements, 1/4in grid lines, two extendable rulers measure paper up to 12in, accurate measuring grid along the top, middle and end of trimmer, permanent markings for popular paper sizes and interchangeable blade carrier. Two handy storage slots for easy transport! Trimmer comes complete with two blades and one scoring blade for easy change. Trimmer measures 16x8-1/2x1in.