If you're the type of person who spends weekends fixing and repairing things around the house, you know what it's like when you're missing a couple screws that are critical to getting a job done.
Maybe you have an old chair with rusted screws that you'd like to refinish, for example. Or maybe you accidentally stripped a screw for a futon you're trying to put back together. Normally, you'd have to take that part — a screw, a washer or a bolt — to a place like Lowe's or Home Depot and try to find one that's the exact same size.
Here's how to use Amazon's new tool: