Bosch Blauw GBH 2-28 DFV Information The Bosch Blauw GBH 2-28 DFV is a powerful and versatile rotary hammer that is perfect for a variety of applications, from drilling holes in concrete to breaking up masonry. It features a powerful 800-watt motor that delivers up to 2.8 joules of impact energy, making it one of the most powerful rotary hammers in its class. The GBH 2-28 DFV also features a number of other innovative features that make it easy to use and comfortable to operate, including a soft grip handle, an adjustable side handle, and a dust ejection system. Intro The Bosch Blauw GBH 2-28 DFV is a professional-grade rotary hammer that is perfect for a variety of demanding applications. It is powered by an 800-watt motor that delivers up to 2.8 joules of impact energy, making it one of the most powerful rotary hammers in its class. The GBH 2-28 DFV also features a number of other innovative features that make it easy to use and comfortable to operate, including a soft grip handle, a...