Micro Swiss CM2 Nozzle is an ideal nozzle for all applications. Core of the nozzle is made of high-temperature Copper Chromium Zirconium and plated with an Electroless Nickel Plating. This special alloy retains its strength at much higher temperatures compared to a regular copper alloy. The tip of the nozzle is made of M2 Hardened High Speed Steel and coated with a special nonstick nano coating. Micro Swiss CM2 Nozzle Features: *Copper Chromium Zirconium body *Plated with an Electroless Nickel Plating *M2 Hardened High Speed Steel insert *Plated with a Electroless Nickel Plating *Coated with nonstick nano WS2 coating *Coefficient of friction: 0.035 *Heat-treated hardness: 68 HRC Limited lifetime warranty against wear.