Dahle 448 Premium Rotary Trimmer

20 Sheet Cutting Capacity - 51" Cutting Length - 4" Height x 15.1" Width x 59" Length - Durable, Sturdy, Self-sharpening Blade, Automatic Clamp, Metal Base, Ground Blade, Dual Cylinder Guide Bar, Adjustable Alignment Guide, Screened Guide, Non-slip Rubber Feet, Bi-Directional Cutting - Metal, Aluminum, Plastic, Steel - Blue - 1 / Carton. Self-sharpening blade hones itself as you cut for lasting performance. Automatic clamp gently compresses your work to prevent shifting.