Micro-Mark - All Scales - Tools - Plasticutter (SKU 109-82131)
The Plasticutter scores plastic sheets without the danger of cutting your fingers. How it works: Drag the special hooked tip toward you to create a deep score on the plastic surface. Now bend the sheet at the score to snap apart the pieces...it's that quick and that easy! Leaves no chips like sawing does. Includes a standard knife edge for chopping plastic strip.