GIANTZ 2in1 Petrol 36cc Pile Post Driver and Jack hammer Star Demolition JackhammerIt can only get better with the Giantz Petrol Driver Jackhammer. With its two in one capability, this ultimate machine can drive and hammer with ease. Backed by a powerful 900W 36cc air cooled 2 stroke motor with a max 6500rpm, the machine provides good heat dissipation at all times. 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 even with