This Bosch GSB182LI Plus 18V lithium-ion combination hammer-drill is a premium drill and screwdriver tool designed to be used on even the most demanding jobs. Perfect for the home, for the workshop, or on site, the Bosch GSB182LI Plus features a 13mm keyless chuck to ensure it is compatible with a wide range of bits. Additionally, the auxiliary handle and cordless operation ensure it is comfortable to use even in awkward spaces.