Features Basic Specifications: Applicable gases are acetylene and oxygen, including 4 cutting nozzles. The diameters are Φ1.8mm, Φ2.2mm, Φ2.6mm, Φ3mm, and the length is 73mm Reasonable Gas Distribution: Acetylene ring cutting nozzle has uniform gas hole, flatness, reasonable gas distribution, and high efficiency Clear Thread: This is highly concentric acetylene ring cutting nozzle, the hole is glazed and flat, and the thread is clear Easy to Use: This perfect acetylene cutting torch accessories, is made of brass and copper, and easy to use Longer Life: Adopts accuracy forged acetylene ring cutting nozzle, thick copper material, high temperature and corrosion resistance, longer life Specification: Item Type: Acetylene Cutting Tips Material: Brass, Copper Purpose: Acetylene Cutting Torch Accessories Applicable Gas: Acetylene, Oxygen Specifications: 1#, 2#, 3#, 4# Cutting Nozzle Diameter: Approx. Φ1.8mm / 0.07in, Φ2.2mm / 0.09in, Φ2.6mm / 0.10in, Φ3mm / 0.12in Cutting Thickness: Approx. 1-150mm / 0.04-5.91in, 150-200mm / 5.91-7.87in, 200-250mm / 7.87-9.84in, 250-300mm / 9.84-11.81in Length: Approx. 73mm / 2.87in Package List:4 x Acetylene Cutting Tips Note:Gas is acetylene gas, please confirm whether the gas meets before use Package List 4 x Acetylene Cutting Tips