For improved control. The QUADRIVE – four gears, with the right one for every application. Optimized gear changing. Increased power in 2nd gear. Unique system width and perfect system compatibility. CENTROTEC tool chuck – for even faster bit changes. Latest generation of brushless EC-TEC motors. Practical attachments with quick angle adjustment. Convenient for day-to-day use. Perfect ergonomics – both compact and powerful. Extra mobile with Systainer integration.