Portable internal combustion impact wrench.For disassembly and installation sleeper and fishplate bolt, especially suitable for field operation without power supply；

Positive inversion operation, two handles and mutually perpendicular, convenient operation, with the solidity, durability, practicality, convenience makes it an ideal tool for railway maintenance application.；

Dynamic torque impulse, high efficiency, safe and reliable；；

Optional bracket cart, light and strong, and various functions, reduce the labor intensity of operators