Ugello DiamondBack per Ultimaker S5 1,75 mm x 0,25 mm (UM-NOUGZLE-DIAMOND-0250-SP)
Also it allows 3D printing using PLA Copper, Iron, and Carbon Fiber! LONGER LIFE: The Polycrystalline Diamond (PCD) used in every DiamondBack nozzle will significantly extend the overall life of the nozzle.