Feature:1. 5PCS CUTTING TIPS: Including 5pcs isobaric cutting tips, with CNC machining, standard in size, smooth hole without burrs.2. BRASS AND COPPER: Made of copper and brass, electroplating to prevent oxidation, wear and corrosion resistance.3. CYCLONE DESIGN: The cyclone design can speed up the gas flow rate, greatly increase the preheating and cutting speed.4. APPLICABLE GAS: Suitable for industrial gas such as propane, acetylene, coal gas, etc., with strong practicability.5. MULTIPLE USAGES: Commonly used in automobiles, locomotives, chemical machinery, engineering machinery and steel structures, etc.Specification:Item Type: Cutting TipsMaterial: Brass, CopperApplication: Widely used in various industries such as automobiles, locomotives, chemical machinery, general machinery, engineering machinery, steel structures, etc.Applicable Medium: Industrial gas such as propane and coal gasModelG03-7#G03-8#G03-9#Nozzle Aperture2.2mm2.6mm3.0mmCutting Thickness90-130mm / 3.5-5.1in130-170mm / 5.1-6.7in170-220mm / 6.7-8.7inCutting Speed160-200mm/min130-170mm/min100-140mm/min.Package List:5 x Cutting Tips5 x Storage BoxesNote:This product is suitable for acetylene gas, please confirm whether it complies with it before use.