The hammer cordless drill is a versatile power tool designed for home DIY and professional carpenters. It's a newly invented hammer which has the functions of traditional drilling and also with added force to drive nails into hard surfaces like concrete walls. Its main functions include drilling holes in wood, metal, and concrete, as well as driving screws, fasteners. The variable speed control button makes it possible to work on very small items almost effortlessly. Reflective features such as the ergonomic design and built-in LED work light turn that tradition into the present. If you are going to be assembling a new deck, installing drywall, or working on car repairs, the medium-light hammer cordless drill from BOSCH is your best friend.However, you should be careful using it with steel beams that may have been painted or insulated ZR (here we have a very technical term- spray-applied polyurethane foam sealant which is also known simply as 'foam-in-place' due to its ease of use).