The 18-inch Dahle rotary paper trimmer is an excellent and economical choice for all your home and office cutting and trimming needs. It cuts and trims photographs, films and papers both quickly and easily. The precise cutting action of this trimmer provides accuracy and a well-defined cut with each use. It features a finely honed rotary blade that is fully encased in a durable plastic housing to guarantee safety during use. Additional features include a transparent plastic clamp strip, an aluminum guide bar and twin outside rules. The baseboard, made of heavy-duty metal, shows various measurements which are customarily used making your cutting job both easy and quick. Protractor lines are also provided which enable you to create precise angled cuts as well.