This electric jack hammer is designed for professionals and is intended for concrete and metalworking projects. It features a heavy-duty aluminum construction, is highly durable, and has corrosion resistance for long-term use. The high-strength alloy chuck can withstand strong impact and the chipping hammer chuck features quick assembly and disassembly. The handle is made of plastic to avoid electric shock hazards. The upgraded shock absorption structure and 360°rotary handle reduce fatigue during prolonged work. The demolition hammer is also equipped with a suitcase for carrying conveniently and has an efficient cooling system to improve the concrete breaker's life.