Black decker egbl188k cordless combi hammer drills black decker egbl188k gb p this 2 speed hammer drill from black decker has the power and speed to drill into masonry steel and wood variable speed provides ultimate fingertip control for all drilling and screwdriving applications the egbl188k has two gears for high and low speed drilling and screwdriving the first gear provides greater torque and control while the second gear provides greater speed p p the lithium ion battery holds