The new Ultimaker print core CC Red 0.6mm has been designed to endure abrasive 3D printing. Its been precision made and has a 0.6 mm diameter tough ruby tip. Don’t worry about whether your nozzle can deal with all those abrasive filaments.This print core has been tested to print 10kg of carbon fiber filament with no loss of quality, and 1,000 plus hours of extrusion.Print core CC Red 0.6 is only compatible with the Ultimaker S5 and comes with 4 spare Ultimaker S5 nozzle covers.