Amazing gizmos that usually have a built-in rechargeable battery. On the plus side, you can take them anywhere and they are perfect for working in cramped spaces or where there is no power supply. The downside is limited battery life. Although they will not normally die instantly, the inevitable slowing down as the battery drains while you are half way through a project can have the same demoralising effect as watching your team inevitably lose a big lead or the landlord calling time as you walk into the pub after a hard evening’s work.
Cordless Power Tools are an essential power tool for your toolbox.