Package includes: 1 set pre-installed cutter with spare replaceable accessory Run Cross-bow as a toolhead for your print farm printers: the filament cutter was developed to provide a robust, reliable, easily serviceable, versatile and universal filament cutting solution for printed toolheads. Key features include: 1. Aluminum CNC construction: Reliable cutting action that can withstand multi-thousand operations without wear. 2. Low profile and low mass: maintains toolhead rigidity, centre of mass and input shaper performance. 3. Ease of servicing: two easily accessible screws to remove and replace cutting blade and clean the filament path.