The Makita HR2230 single speed variable, reversible, 2 mode SDS+ hammer drill is fitted with a powerful 710w motor and Makita's torque limiter system, which disengages the drive to protect both the user and the machine should a drill bit get jammed during use. With drilling capacities of 13mm in steel, 32mm in wood, and 22mm in concrete, along with a joule rating of 2.3 and a maximum of 4050 blows per minute, the Makita HR2230 is designed for the professional user, whether it's an electrician, plumber, or general builder.