Dahle 508 Personal Rotary Trimmer

5 Sheet Cutting Capacity - 18" Cutting Length - 2.9" Height x 8.1" Width x 23.3" Length - Automatic Clamp, Durable, Self-sharpening Blade, Non-slip Rubber Feet, Portable, Ground Blade, Metal Base, Screened Guide, Lightweight, Sturdy - Metal, Steel, Aluminum, Plastic - Blue - 1 / Carton. Self-sharpening blade hones itself as you cut for lasting performance. Automatic clamp gently compresses your work to prevent shifting.