WD-40 Specialist Penetrant with SMART STRAW SPRAYS 2 WAYS, 11 OZ is a product that is equipped with an attached Smart Straw nozzle that Sprays 2 Ways to offer more control. You can either Spray or stream and never lose the straw again. The Low odor formula penetrates deep into crevices, threads and seams to break the bonds that hold stuck parts together. It is Ideal for rusted or seized nuts, bolts, hinges and locks. The WD-40 Specialist Penetrant with SMART STRAW SPRAYS 2 WAYS, 11 OZ is a great product to have on hand for a number of reasons. First, the Smart Straw nozzle offers two different ways to spray the product, so you can choose the method that best suits your needs. Second, the low odor formula is ideal for use in confined spaces, as it won't cause too much of a fuss. Finally, the Penetrant is great for breaking bonds that hold stuck parts together, making it perfect for rusted or seized nuts, bolts, hinges, and locks.