CHESTON 850W 26 mm Reversible Rotary Hammer Drilling Machine I 1100RPM I 3 Modes & SDS 5-Drill Bits With Case 850W 4-Inch Angle Grinder for Polishing Cutting Grinding Works on Metal Wood Wall ROTARY HAMMER DRILL MACHINE: No matter you are a DIY users or professional, Cheston Rotary Hammer Drill Machine will surely be your great choice. Featured with 3-piece drill bits, 2 chisel, 900 RPM and 26 mm impact this tool is convenient for drilling in hard materials such as wood, masonry, steel, walls, concrete, etc. MULTITUDE OF USES: The offered machine is intended for hammer drilling in concrete, brick and stone. This is likewise suitable for drilling without impact in wood, metal, ceramic and plastic. This tool with electronic control and right/left rotation are also suitable for screw driving and thread cutting. ERGONOMIC & CONVENIENT: The offered drill machine & Angle Grinder is having a user-friendly design that makes it easy to use equipment. Handle’s design offers a great grip, comfort and optimal control. Especially for overhead or downward drilling applications it is highly efficient. This tool provides free bit changes with automatic bit locking, dust protection and maximum impact energy transfer. STABILITY & GREAT PRECISION: The adjustable auxiliary handle available in this tool offers a 360-degree operating position, allows the user to rotate and lock a chisel with more precision. Further the unique heat dissipation system can effectively protect the main body of the machine to extend its service life.