1. Userfriendly design Features a hexagonal blade holder structure for enhanced stability and easy disassembly, allowing flexible blade positioning. The Tshaped paper feeder ensures precise alignment regardless of paper thickness, accommodating 70g copy paper, 120g cardstock, and 150g kraft paper. 2. Versatile blade options Includes 3 specialized blades for diverse needs: an adjustablewidth grooved blade (1.0/1.2/1.5 mm), a perforation blade for dotted lines, and a cutting blade for precise paper trimming (not ideal for thick paper). Handles paper weights from 60500gsm, making it ideal for various projects. 3. Working method Adjust the blade height relative to the jockey wheel distance. The drive shaft rotates automatically upon paper insertion, leaving grooves or perforations on the paper. 4. Easy to use Quickly adjust blade positioning, height, and with simple screw settings using an Allen key. Ensure screws are properly adjusted before mass use to accommodate different paper thicknesses. The intuitive design simplifies blade adjustments effortlessly.