Definitely that it has characteristics of super wear resistance and scratch resistance, high hardness and high toughness, to anti ink leaking and be solid to use. As it has stable percompatiblemance and high reliability, you can replace your old or damaged one directly. It is constructed of stainless steel material. This product has different sizes compatible you to choose. It has a long service life and is compatible with most printer to use. Item Name: Printer Nozzle Material: Stainless Steel Features: Rust-Proof, Solid Texture, Thread Surface Size Details: 0.02cm/0.01" (Approx.) 0.03cm/0.01" (Approx.) 0.04cm/0.02" (Approx.) 0.05cm/0.02" (Approx.) 0.06cm/0.02" (Approx.) 0.08cm/0.03" (Approx.) 0.1cm/0.04" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Printer Nozzles