This cordless drill and hammer drill is far superior to the previous model in that it has three speeds instead of two, and the keyless drill chuck has been greatly improved and features a right-angle grip to avoid wrist strain when drilling 4 inches. drill. , a hole in the laying speed, which he manages without any problems. I would say that this is a really professional tool. The pistol grip allows me to keep my shoulder over my hand when applying pressure. Models that leave the tool on its own wear out your wrist with constant use, everyone says. I carry a tool belt with me and hang it on a hook made for this suit so I always have it with me and I don't have to go where I put it before.