Martin Yale Premier CT18 Cassette Safety-Trim:Martin Yale Premier CT13 cassette safety-trim paper trimmer is an excellent product for light amounts of trimming. It has a cutting length of 13 inches and can cut up to 5 sheets at once. There is also a slightly wider CT18 model with a cutting length of 18 inches. easy-to-read grid speeds up cutting process, and convenient edge reference guide is great for repeat cutting precision. Your papers are sure to stay firmly in place with self-locking clamping device, which provides high cutting accuracy. Furthermore, CT13 (and CT18) is a tremendously safe paper trimmer. cutting blade is exposed only when it is actually cutting, and storage slots diminish chances of any blade getting misplaced. Enhancing flexibility, there are 4 blades to choose from: straight cut, perforated, scoring and wave cut. Since this trimmer is so safe and user-friendly, children can use it without an issue. Premier CT13 and CT18 Safety-Trim rotary paper trimmers are ideal for office, school and craft use.;Exceptionally safe machine; plastic cassettes cover sharp edge of cutting blades, and blades only exposed during cutting process.;Edge reference guide for repeat cut precision.