The Bosch HDH181X is a heavy-duty 18V Brute Tough 1/2” drill/driver designed to answer plumber demands for greater control, maximum power and best-built durability. The drill/driver is equipped with exclusive Bosch Active Response Technology, which reduces the risk of harmful torque reaction in bind-up situations. An integrated acceleration sensor limits the tool’s rotation by detecting sudden movements and cuts off motor current, stopping the tool and making handling easier. The tool weighs less than 5 lb., measures less than 9” and includes an auxiliary handle. The tool employs Bosch 18V lithium-ion battery technology.