H501 middle typed welding and cutting tools kits1. Using oxygen and acetylene2. Suitable for precise gas welding, heat treatment, surface-spray, repairing and mending apartment, and cutting, etc3. HG02-6/100A torch for both welding and cutting, with it's cutting capacity from 3-100mm, and welding capacity from 0.5-6mm4. Nozzle connection and back body are made of forging copper5. Provide you years of trouble free service6. Switch piece convenience operation7. Flashback arrestor and built-in reverse flow check vavle8. Solid brass and stainless steel construction