FEATURES: ►High quality materials are used. ►Lighter weight and versatile tool. ►3 functions for drilling, chiseling, and hammer function. ►Adjustable depth guide for drilling to a predetermined depth. ►High speed for controlled drilling in concrete stone ►Big torque with powerful watts. ►A rotary hammer machine is a power tool that is used in heavy-duty works as a drilling and carving hard material. ►Instead of a special clutch, it uses a piston mechanism. To deliver more powerful hammer blow which make it possible to drill bigger holes faster. ►It is mainly used for demolition of hard surfaces, drilling holes, placing pins and anchor bolts.