Bosch GSB RE 450-Watt kit Rs. 2199 Easy to use with drilling diameter: 10 millimeters Color: Blue Material: MS and Plastic Operating Power: 450 watts Used for minor plumbing or repairing tasks and mounting photo frame or paintings Impact Rate 0-41600 bpm Concrete – 10mm Package Contains: 450 W Hammer Drill with Reverse Drill Bits for Walls, Wood and Metal||Accessories Included: 4 Concrete Drill Bits, 4 Metal Drill Bits, 4 Wood Drill Bits, 10 Screwdriver Bits, 1 Bit Holder, 30 Screws, 30 Nylon Plugs. http://www.amazon.in/gp/product/B00INTI3OU