CARL Professional Rotary Paper Trimmer 18 inchCarl RT 218 Overview Ideal rotary disk trimmer for a variety of small office home office functions and craft projects. Patented rails and premium carbide blades hold paper or paperboard firmly in place and cut more precisely Sturdy metal calibrated base for accuracy and stability Cuts up to 10 sheets of standard copy paper per cut Optional "B" series replacement blades give you 11 designs for virtually any craft or scrapbooking project