Feature: 1. Single Double Switches: Welding spray guns have two options of single opening and double opening. The single switch can only rely on one switch to control the flame size during use, and the double switch can control the flame size through two switches. 2. Stepless Variable Voltage Function: The welding spray gun dual switch model has a stepless variable voltage function, a stepless variable voltage switch, which can adjust the firepower with one hand, which is more convenient. 3. Accuracy Die Casting Valves: Welding spray guns with accuracy die casting valves, each of which is individually tested for airtightness, and the nozzle is thickened as a whole, forming seamless gaps and good sealing. 4. Conical Step Interface: The welding spray gun has a conical step interface, the interface is stable and fixed, with good sealing, no falling off, no air leakage, and durable. 5. High Quality Accessories: This is a high quality accessory with firm and stable joints, good sealing, safe and convenient, suitable for household gas, liquefied gas, and propane gas. Specification: Item Type: Ignition Soldering Blow Torch Spray Gun Caliber: Approx. 35mm / 1.4in Intake Port: Approx. 8mm / 0.3in Applicable Gas: Liquefied Gas Uses: Used for Industrial Welding, Heating, Cutting, Spraying and Melting Debris. Package List: 1 x Spitfire Gun Body1 x Nozzle1 x Intake Connector1 x Washer1 x Handwheel2 x Clamp