The Bosch Rotary Hammer 11227E is a power tool designed for masonry drilling and chiseling tasks, featuring an 8.8 amp motor, an electro-pneumatic impact system, and a speed range of 0-360 RPM. This page provides further details and repair information for this 14 lbs, 17.5" long tool, including its ability to drill up to 1.5" holes with a drill bit and 4" holes with a core bit.