Tool Features: The Bosch Flexi-Click system provides the optimum solution in every work situation. The Bosch Flexi-Click adapters are easy to operate with one click - easy and quick to fix on the tool body. Rotatable chucks help in tight situations. Integrated lockable bit holder accepts all common standard bits. Compact & lightweight - Short construction (132mm) and low weight 0.6kg without battery or attachment enable precise use. Integrated LED light for illuminating the work area, 100% compatible with current Bosch Professional 10.8v batteries. Expandable with more attachments available. the GSR 12 V-15 offers full flexibility with the Bosch Flexi-Click system. A simple 3-jaw driver chuck is included with this package, but many other chucks can be purchased separately. Multiple solutions available in one system, perform tasks in compact and awkward environments such as screwdriving and drilling in tight spaces or close to solid edges.