Bosch GSH 14 C Professional Information The Bosch GSH 14 C Professional is a powerful and versatile demolition hammer that is perfect for a variety of applications, including breaking concrete, asphalt, and masonry. It features a brushless motor that delivers up to 28 joules of impact energy and 1,900 impacts per minute, making it one of the most powerful demolition hammers on the market. The GSH 14 C is also lightweight and easy to maneuver, making it ideal for use in tight spaces. Here is an overview of the Bosch GSH 14 C Professional: Introduction: The Bosch GSH 14 C Professional is a powerful and versatile demolition hammer that is perfect for a variety of applications. It features a brushless motor that delivers up to 28 joules of impact energy and 1,900 impacts per minute, making it one of the most powerful demolition hammers on the market. The GSH 14 C is also lightweight and easy to maneuver, making it ideal for use in tight spaces.