Did you know there's a device that lets you carry a sheet of heavy plywood with just one hand? How about using your drill for everything from cleaning... (more) ducts to snipping sheet metal? What does "WD-40" stand for, and did you know there are over 2,000 uses for that stuff? DIY Network's Cool Tools answers these burning questions and gives you an exclusive, inside look at the ever-evolving world of home improvement. It's a fascinating look at tools you may or may not know about — the latest and greatest and the tried and true — revealing insider tips and techniques from the people who helped create them. You're taken behind-the-scenes for a look at design, engineering, research and development, assembly lines and testing and demonstrations. New products, funky gadgets, improvements on the old stand-bys and technological innovations — you have the opportunity to stay on top of the ever changing marketplace as you watch these fun items in action. If it's cool, you'll see it on DIY's Cool Tools!