Heavy Duty Cutting and Welding Outfit that can cut up to 152mm (6 in.) with optional tips, and weld up to 76 mm (3 in.) with optional nozzles. Torch handle has Built-in Check Valves and Flashback Arrestors | One Cutting Attachment for all Fuel Gases (with proper tip) | G350 Regulator features 63 mm (2.5 in.) Gauges