A very good cordless impact drill: The LH - CD - 1222 This sound bar also benefits from a brushless motor—a huge plus with an ultra-low-maintenance brush rotating mechanism. Being a Lithium-ion battery cordless drill set it ensures uninterrupted power supply. Which allows you to use it wirelessly rather than having the laptop plug in full time. This is a great solution for professional and DIY users alike as it makes quick work of all sorts of drilling, be that through hard materials or just extremely accurate. It is easy to hold and operate with its ergonomic design for better user experience.