Switch blades with the turn of dial! Dial-A-Blade trimmer offers a unique, patented four-blades-in-one dial (straight, perforated, score and wave). 12" cutting length. Blade handle keeps fingers away from blade. Enclosed stainless steel rotary blade cuts in both directions. Transparent cutting guide makes paper visible for angled cuts, partial cuts and cutting on the mark. Alignment grid and ruler with standard and metric scales. Metal base. Compartment under base for storing extra blades. All sheet capacities are based on 20-lb. bond. Trimmer Board Type: Rotary; Sheet Capacity: 10; Cut Length: 12 in; Trimmer Board Special Features: Alignment Grid; Paper Guide; Ruler.