Squeaky doors? There’s WD-40 for that! WD-40 is a special formula available in a spray can. Its uses span from craft projects, bike repairs, HVAC, automotive maintenance and repair, on construction worksites, for boating and watersports, and for your home and garden. Consumers have found varied, creative uses for WD-40 as the formula is quite exceptional. People have used WD-40 to remove a ring from their finger, repel insects, remove bubble gum that is stuck in their hair and so much more. New cans have a special head that allows for the straw to project the formula in two opposite directions. Save today on WD-40 with coupons and discounts below!