– Stepless variable gas control function to adjust the flame. – Single Double Switches to control the flame size during use. – Conical step interface and accuracy die casting valves that is stable and forming seamless gaps and good sealing. – Suitable for household gas, liquefied gas, and propane gas. – Spray Gun Caliber: Approx 35mm / 1.4 inch – Intake Port: Approx 8mm / 0.3 inch – Overall length: 450mm / 18 inch