GIANTZ 52CC Petrol Jack Hammer Demolition Breaker Concrete JackhammerBreak easy with the Giantz Petrol Jackhammer. Designed to take care of even the hardest surfaces, our jackhammer comprises a powerful and efficient 52cc air cooled, 2 stroke motor specified with toughened and hardy components. It also provides good heat dissipation to keep you cool on the job. The accurate thumb throttle control ensures precise speed with an easy start hand pull system while the shockproof hand grip provides for fatigue free operation