Trapezoid Fixed Knife Trapezoid Fixed Knife 2 Highly durable, lightweight body. Captive Screw prevents loss during blade change. Magnet holds working blade in place. 12 4x 34 [4] [3] Trapezoid Fixed Knife [5] FEATURES 1. MAGNET holds working blade in place [2] 2. OPTIMIZED CUTTING ANGLE to reduce fatigue [1] 3. CAPTIVE SCREW prevents loss during blade change 4. LIGHTWEIGHT ALUMINIUM BODY hard-wearing for increased durability 5.