This set is good to go. no expensive regulators needed, simply screw into a propane bottle and you're off. No oxygen cylinders required. Established Sievert quality. A well balanced comfy handle and smooth variable control. So a great value set all ready to go, superb for the professional or amateur looking to upgrade. Note this is a medium general purpose nozzle. I would HIGHLY RECOMMEND adding the needle flame tip Product Code 999 ATZnothing more to buy!