Exclusive ColorCoil Spine Former: Ensures quick and easy feeding of the coil element by forming the paper to match the curve of the coil. Adjustable Roller Knobs: Electric rollers adjust to three different positions to ensure maximum roller contact for the larger coil sizes up to 33mm. Continuous Heavy Duty Rollers: An on/off switch activates the rollers for continuous binding production. Convenient Hand Crimping Pliers: Included with the system for cutting and crimping the ends of a coil bound document. Built-in Storage Compartment: Convenient storage compartment built into the side of the system prevents the hand-crimping pliers from getting lost or damaged. All Metal Construction: All metal construction, including die cast sides, provide longer life and greater durability.