Web Developer in 美国
What’s up, I’m John. I’m a web developer living in US. I am a fan of technology, cycling, and writing. Known also as a rattle gun, a power wrench or a torque gun this is an indispensable tool for mechanics. Designed to tighten and loosen the bolts, its clamping force is expressed in Newton-meter (Nm). There are multiple types of impact wrenches: electric, battery or pneumatic. This guide should give you some pointers on how to understand and pick the best air impact wrenches for you.