WD-40

If there’s one product you should always have on hand, it’s WD-40. This well-known, multi-use product has been making lives easier for over 60 years. If there’s one thing more recognizable than the legendary, signature blue and yellow can, it’s its reputation: WD-40 is recognized worldwide as a brand and product of superior quality.
This “can with a thousand uses” protects metal from rust and corrosion, penetrates stuck parts, displaces moisture, and lubricates just about anything and everything you could imagine. But let’s be honest—you already knew all that.