Best in class impact energy - 2.4 ft lbs - provides increased drilling capacity (from 1 In. to 1-1/8) and up to 40% faster drilling speeds vs the competition Best in class anti-vibration system - counter-balance vibration control for improved comfort for all day drilling/chiseling applications 2.4 ft ls impact energy - all new bulldog extreme Max has an increased drilling capacity up to 1-1/8 In. for the fastest drilling hardest hitting hammer in its class Counter-balance vibration control - vibration reduction in the hammer mechanism reduces vibration up to 30% vs competitors providing uncompromising user comfort in all day applications Metal gear cover - rugged design for maximum job site durability