Sleek yet hardworking self-sharpening design trims acetate, aluminum, cardboard, drafting film, heat-seal film, illustration board, leather, matte board, newsprint, paper, plastic film, tissue, tracing paper, vellum, veneer and vinyl. Cuts up to five sheets. Make accurate cuts with the help of the 1/4" graduated vertical/horizontal rules. The 1" thick Alumite finished aluminum base has a fold-out extension to accommodate oversized materials. Self-returning bade orientation. All sheet capacities are based on twenty pound bond.