CORDLESS BRUSHLESS IMPACT WRENCH KIT SET 21V/4ah

Impact wrenches are one of the most powerful handheld power tools. It is widely used by car mechanics to undo and tighten lug nuts of tires.An impact wrench is a power tool used in loosening or tightening lug nuts, large bolts, and frozen or rusted fasteners. They provide a very high rotational torque that a regular power driver cannot provide. Impact wrenches achieve this by an internal hammering mechanism that transfers kinetic energy onto the output shaft.Impact wrenches are widely used in automotive industries. The most common use that we all come across is the removal lug nuts when we change the car tires. It is a must have power tool for all the vehicle repair shops and automotive body shops. Other uses of impact wrench include assembly of automobiles, heavy equipment assembly, and maintenance, manufacturing of machine tools, large construction projects etc.A battery powered impact wrench has one unique advantage over the other types. It is highly portable. You can throw-in one in your car trunk and use it anytime you want to change the tires. The cordless design also enables it to be used in tight work-spaces where a corded or air pipe can be a hindrance. If you decide to buy a cordless impact wrench, then get the one with a brushless motor.