No Open Flame, No Damage, No unnecessarily Removal: Remove bolt by flameless, lossless mean,green and safety. Both the workers and the materials, equipment around bolts will not damaged by the flame. Loosen Rusted-on Bolts Quickly and Easily: Up to 400C in 60s,Remove rusty bolt just 30s,Complete the whole bolt removal process in 1 minute. It only takes 3 minutes to learn how to use it. There are two LED lights coil lacation socket: you dont need hold a heavy flashlight when operate in narrow and dark space, Easily facilitate and benefit to improve work efficiency. Equip with 1m Flexible Soft Coil, bore diameter 18mm; 22mm; 28mm coil, Each line is suitable for the size of different types of bolts. Wide available: for Rusted / Frozen / Corrosive Bolt / Nut, Not limited to cars, agricultural equipment, ships and tanks. It is very suitable for the maintenance of various machine tools., Manufacturer: firwood