PRT-100N Personal Paper Trimmer, 12 Cut Bidex personal seven-sheet rotary trimmer with carbide blade, patented rail system, calibrated metal base with rulers, swing-out ruler and quick-change blade holder. 12" cut length. A precision trimmer that weighs less than one pound!. Premium carbide blade ensures an accurate cut. Patented rail system holds paper firmly for a sharp edge and precise cut. Cuts up to 7 sheets; 12" cut length. Swing-out ruler arm to measure up to legal-size sheets Trims up to 7 sheets of standard 20-pound bond paper Sturdy molded base is calibrated with rulers on top and bottom Up to 11 different cutting blade patterns available -sold separately Limited lifetime warranty -excluding blade and cutting mat