Feature:1. [5PCS IN 1 SET] Including 5pcs cutting tips, easy to use and replace, which are good welding consumables.2. [HIGH PERFORMANCE] The cutting tip has high concentricity, clear threads, with glossy and flat internal holes.3. [HIGH EFFICIENCY] The pores are even and flat, and the gas distribution is reasonable, which has high welding efficiency.4. [COPPER AND BARSS] Using excellent copper and brass materials, high temperature and corrosion resistance, long service life.5. [SPECIFICATIONS] Suitable for propane and oxygen, cutting nozzle diameter is 1.8mm, cutting thickness range is 100‑150mm.Specification:Item Type: Gas Cutting TipMaterial: Brass, CopperApplicable Gas: Propane, OxygenSpecification: 1#Cutting Tip Diameter: Approx. 1.8mm / 0.07inCutting Thickness: Approx. 100-150mm / 3.9-5.9inOxygen Working Pressure: 0.50MPaGas Working Pressure: 0.001-0.1MPaProduct Length: Approx. 73mm / 2.9in Package List:5 x Cutting TipsNote:The gas used in the product is propane gas, please confirm whether the gas is in compliance before use.