Bosch GSH 16-30 Professional Information The Bosch GSH 16-30 Professional is a powerful demolition hammer that is designed for heavy-duty applications. It features a 30-mm hexagon socket holder and can deliver an outstanding 41 J of impact energy, making it ideal for breaking through concrete, masonry, and other tough materials. The GSH 16-30 Professional is also equipped with a number of features that make it comfortable and easy to use, even for extended periods of time. These features include Vibration Control, which helps to reduce vibration levels, and an auxiliary handle, which provides additional stability and control. In addition to its powerful performance and ergonomic design, the GSH 16-30 Professional is also built to last. It features a robust metal housing and a durable impact mechanism that can withstand even the most demanding applications.