The hitachi ds18dbl is a compact drill driver with brushless motor technology which uses high capacity 40ah li ion batteries the highly efficient brushless motor increases the drilldrivers working time by up to 40 the electronic switch requires less pulling force for greater control and the 4 stage adjustable rotation speed and a 2 speed gear box provide a wide range of drilling speeds to suit all applications the hitachi ds18dbl is only 206mm in length making it ideal for use in confined spaces