Perfect Balance of Price and Performance Our PolyMAX™ Coated Hardened Steel Nozzle is perfect for printing both abrasive and non-abrasive materials. Our proprietary polyphobic nano non-stick coating will prevent buildup on the nozzle and makes cleaning a breeze! Highlights: Heat Treated Tool Steel for Superior Wear Resistance (HRC 64) Polyphobic Nano Non-Stick Coating Good Thermal Conductivity Polished Internal Body Tight Hole Tolerance (±0.05mm)