Jon Bhandari Tools Reversible Rotary Hammer Drill Machine 20mm 500W 850RPM with 3 SDS Drill Bits, 2 Carbon, SDS Adapter, Carrying case & Instructions Manual, is specially designed to deliver ultimate drilling and chiseling power. With the drilling diameter of up to 20 mm, smash any tough tasks for concrete, masonry and natural stone which deliver perfect hammering/drilling or chiseling. It is ideal for almost all drilling works. Ideal for drilling anchors and fixing holes into concrete and masonry. Impact-stop for drilling in wood, steel, ceramic and screw driving applications. Not only does this hammer drill holes faster but it also ensures a reverse operation, with high torque. This ergonomically designed hammer comes with a softgrip handle that ensures a secure hold. It also comes with a strong plastic case to make it portable, easy to carry and helps in keeping it protected from rain, dust and corrosion. Fatigue free usage. Low vibration. Low noise. High speed drill hole ability. Lock-on button for continuous use & long duration tasks. By following instructions in the manual one can ensure operator's safety.