An assortment of large rusty bolts and nuts on a wooden table - Limpido /Getty Images You don't have to toss out bolts just because they've developed a layer of rust. In many cases, that old, corroded ...

Over the past few weeks we've looked at an electric jack for roadside emergencies, a new take on adjustable wrenches and tools to deal with rounded bolt heads. This week's tool, a hand impact driver, ...