Trapezoid ProTouchâ„¢ Retractable Knife TRAPEZOID PROTOUCHâ„¢ Retractable KNIFE Quick change mechanism saves time. Magnet holds working blade in place. Push button access enables tool-free entry. [1] + [2] TRAPEZOID PROTOUCHtm Retractable KNIFE FEATURES [6] [7] 1. 3-STEP RETRACTION for multiple cutting depths 2. QUICK CHANGE for fast easy blade removal and reversal without the need to open [5] 3. OPTIMIZED CUTTING ANGLE [3] [4] to reduce fatigue 4. PUSH BUTTON ACCESS easy tool-free entry 5.