1).the jack hammer used for drilling the concrete,rock etc. 2).also called gasoline breaker; hammer drill.

Engine Mode			1E45f-3A Two-Stroke, single cylinder,forced air-cooling
Displacement CC			(80Max.)
Output(kw/r/min)			2.0/4400
Fuel Consumption (g/kw.h)			≤480
Impact Number(r/min)			1300
Impact energy(J)			55
Clutch Revolution(r/min)			2500
Work Revolution(r/min)			4250
Product size(mm)			840*470*350
Packing size(mm)			880*500*390
Net Weight(kg)			26
Gross Weight(kg)			29
Packing Sets/20' container			174
Certification			CE,3C

jack hammer( gasoline breaker) CE 3C