about product: 1.Suitable to acetylene, propane or natural gas 2.Cutting ability between 6-250mm... 3.the cutting torch is punched out by high quality brass stick, that prevent arrearance of holes and leakage. special polished make the surface smooth and shiny, so that the product will not be changed color after long-term usage. 4.two hand wheels for fast, accurate flame adjustment. 5.it can operate on oxy-ace or oxy-prop gas just change cutting nozzles to match fuel gas to meet your cutting requirements. 6.universal pressure-maintains stable preheat flame during cutting. 7.ease-on feature for cutting. about package: 1.one piece packed in one box, ten pieces packed in a strong carton, or can as per customer's request. 2.can put customer's own brand about us: We are NINGBO ZEHEN INTERNATIONAL TRADE CO., LTD, which is a leading company of exporting welding equipment & tools and relevant series in China, owning the manufacturer of ZENYUAN WELDING & MACHINERY CO., LTD which specializes in producing cutting torch, regulator & welding accessories over 18 years.