Electronic pipe-wrench: one size fits all

Not all of us are DIY kind of people, but some are. When there’s a pipe problem we either have to handle it ourselves, or we’ll have to call a plumber. It can sometimes be annoying when we (and the plumber you paid to hire) don’t have the right size of pipe-wrench. Black & Decker has developed this 17USD electronic pipe-wrench that adjusts the size of its tip to fit all kinds of knobs, and you only need to know how to press a button, but this thing is heavy- 490g. Ah well, at least it’s not expensive. — Sam Chan
Auto wrench [Black & Decker]