If you believe the hype, WD-40’s good for everything except curing cancer. And regardless of what unkind words you might have about it, we’d be willing to bet you’ve got a can in the garage somewhere.
But with that in mind — is it still worth keeping in the shop? We’ve found far better penetrants, and there are better lubricants available for almost any special purpose. On the other hand, isn’t it handy to have a general-purpose lubricant around?
What say you? Let us know in comments.