Fast drilling in Ferro concrete / brick with powerful motor. TOOL ONLY!USER BENEFITS:Torque limiter disengages clutch at preset level.Cylindrical tool holder with high reparability; new bolt holes can be drilled when the original bolt holes are clogged with broken bolt.Flat surface for ownership engraving or ID number labels.Name plate placed in the position almost free from damages and scratches.Double Insulation,Variable Speed and Carry Case. Tool sold without bit.