A premium trimmer specially designed for medium volume office and classroom applications. Sturdy 3 1/2" thick wood MDF base is calibrated and features preset measurements for common-sized items. Extra rigid guide rails and nylon bearings. Lockable sliding metal backstop for multiple same-sized cuts. Accepts wide-format output from poster-sized inkjet printers. Also trims card stock, acetate, cardboard, drafting film, illustration board, leather, black core artist mat board, plastic sheets, laminates, tissue paper and much more. Trimmer Board Type: Rotary; Sheet Capacity: 20; Cut Length: 18 in; Trimmer Board Special Features: N/A.