Upgrade your cutting experience with our replacement blade, tailored to seamlessly fit Dahle Professional Rolling Trimmers. Featuring a self-sharpening design, you can rely on continuous sharpness without the hassle of dull blades. The graduated edge enables cutting and self-sharpening in both directions, ensuring consistent sharpness with each use. Exceptionally sharp, this replacement blade effortlessly cuts paper with precision, leaving no burrs or rough edges. Elevate your cutting precision with every order. To distinguish between Generation 2 and 3 trimmers, check the underside for a white sticker. The top number on this sticker indicates the version. Furthermore, Generation 2 trimmers feature a single bar holding the cutting blade head, whereas Generation 3 trimmers have a double bar.