The Altex Preferred MFG 13-Piece Pro Grade Multi-Purpose Butane Soldering Iron Kit with 7 Tips - 125W is a versatile and essential accessory set for a wide range of applications. Featuring a self-igniting trigger and a flame locking button, this kit allows for easy and safe use. With an adjustable flame that ranges from 1/2" to 2 1/2" and a working temperature of up to 2400° F, it can handle any soldering task. The 100% metal refillable fuel tank has a large capacity and can be fully refilled in only 10 seconds, providing up to 75 minutes of continuous use. Safety is a top priority with the newly designed ignition stopper.