Scrapbooking Paper Trimmer 43,5 x 31,5 cm. Fast and easy alignment guide for ripetitive cutting and scoring paper up to 12". Raised paper alignment on Extender for perfect paper placement. Almost no gap on Extender in conjunction with trimmer base. Permanent grid printed on the back of a sturdy clear plastic sheet. Very accurate, features 2 units: inch and metrics. Scaled at 1/16 and 1 mm".