Feature:1. [5PCS IN 1 SET] Including 5pcs cutting tips, sufficient in quantity, used for industrial gas media such as propane and gas.2. [BRASS AND COPPER] Use brass and copper material, electroplating treatment to prevent oxidation, has good thermal conductivity.3. [CNC PROCESSING] With CNC machining, standard in size, smooth and burr free in the hole, with good cutting performance.4. [HIGH EFFICIENCY] The cyclone design speeds up the gas flow rate and greatly improves the preheating and cutting speed.5. [WIDE APPLICATION] Widely used in automobiles, locomotives, chemical machinery, general machinery, engineering machinery, 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 gasModelG03-4#G03-5#G03-6#Nozzle Aperture1.3mm1.6mm1.8mmCutting Thickness20-40mm / 0.8-1.6in40-70mm / 1.6-2.8in50-90mm / 2-3.5inCutting Speed380-350mm/min240-300mm/min200-260mm/minPackage List:5 x Cutting Tips5 x Storage Boxes Note:This product is suitable for acetylene gas, please confirm whether it complies with it before use.