45° Knife Kit for Trident/ISM – Cartridge + Super-Trapezoid Blade – 28887Complete 45 Knife Kit for V Grooving and Precision Foam Cutting Kit #28887 includes everything needed for angled and v groove cutting using AXYZ Trident and Integrated Servo Module (ISM) tangential knife units. It pairs the AXYZ 45 Knife Cartridge with a Super Trapezoid Deep Edge Blade, ideal for foam, corrugated cardboard, and thin corrugated plastic. The cartridge is designed for v grooving in foam materials, while the durable, sharp edged blade