1.Product Description*This is an injection-type torch for Oxygen Acetylene gas cutting. *the body is forged by high quality brass. *100% flame and seal test. *The black plastic handle is for safe grip when you use it. *welding thickness:6-12mm *Ideal for Oxygen Acetylene Gas Welding for mild steel in welding industry or DIY working. 2.Factory Description *we have been manufacturing gas cutting tools since 1987,deserve trust!*we have experienced staff,fine works!*ISO 9001 Approved,stable quality!3.Sample Policy*sample charge:free*order lead time:1-3 days*freight prepaid by buyers 4.International Trade Record*3 years OEM production for Korean company*exporting to Vietnam in 20105.Helpful Hints*you had better turn to proffessional welding gas cutting people for help if you want to know how to use it correctly and safely.*take attention to the operation instruction before you use it. *make sure that you have equipmented yourself with neccessary safety protections before you work.