GSB 12V-15 (formerly known as the GSB 10.8-2-LI) is a very light and compact combi drill with a softgrip for comfort and less user fatique. It has a convenient built in LED Worklight for visibility and an auto-lock 10mm chuck.Features and Benefits: Short design for optimum handling, especially when performing drilling and screwdriving applications overhead and in tight spaces 2-speed planetary gearbox for powerful screwdriving and drilling applications in wood and metal, and impact drilling in masonry Professional quality 10 mm Auto-Lock drill chuck Practical battery charge level indicator can be used at any time to find out how much energy is left in the battery Electronic Cell Protection (ECP): protects the battery against overload, overheating and deep discharge Motor brake for precise work when driving rows of screws