4 in 1 Functions: This power Jack Demolition Hammer Breaker Drill Equipped with 3 drill bits and two different chisels, can easily switch between hammer and chisel forms with four functions: hammering, slotting, drilling, and crushing, meeting your different needs and providing comprehensive support for your construction projects. Outstanding Performance: The Petrol Demolition Hammer's 1000W engine with 2300~4000bpm impact frequency and 30J impact energy provides stable and great power output, ensuring efficient breaking even when handling hard rocks or concrete. Built to Last: Concrete Breaker With a 0.24gal capacity fuel tank,this engine can work continuously for 7-8 hours with full oil. It ensures reliable performance without frequent refilling. Heavy Duty Post Driver Concrete Breaker made of premium aluminum, plastic, and silicon, which are durable and not easy to rust. Easy to Operate: The wireless design and light weight can improve the flexibility of operation. The convenient starting rope can be easily pulled. Besides, the throttle switch, one-button flameout switch, and anti-skid auxiliary handle allow for convenient use. Application： This Jack Demolition Hammer Breaker Drill applies to drilling holes in concrete, floors, brick walls, stones, and solid walls, which is suitable for electricians and carpenters. The jack hammer breaker is also suitable for crushing, chiseling, digging, grooving, cutting, and other operations on concrete, masonry structure, and asphalt pavement., Manufacturer: Levkitch