Dahle 565 Premium 15-1/2" Guillotine cuts up to 35 sheets of paper at a time up to 15-1/2 length. Ground self sharpening blade made of Solingen Steel. Sturdy blade will not fly up or drop down. Rotary guard covers the blade throughout the entire cutting process-the ultimate safety device. Adjustable backstop. Sturdy metal base with preprinted guides. Lockable blades to prevent injury.