You’ve probably found yourself rifling through your junk drawer, desperately looking for AAA batteries or a tape measure. Then, when it’s not there, you check every other cabinet and drawer in your home, hoping what you need will magically appear, only to be disappointed when it doesn’t.This is probably a sign that your junk drawer is understocked—and yes, full of junk. Instead of continuing to make do without these once-in-a-while essentials, it’s best to buy them when you need them least. That way, in a moment of frantic searching, you’ll have exactly what you need.Below, we’ve rounded up the tools, supplies, and other surprisingly useful goodies you’ll be glad to have on hand in a pinch. Though they may live in your junk drawer, we promise you they’re anything but junk.