Penray 4516PR-3 Wrench-Eze and Lubricant - 11-Ounce Aerosol Can is designed to free rusted parts and lubricate sticky parts. It penetrates, lubricates, stops rust, and corrosion. The Penray brand of products is engineered for use by professional automotive maintenance and repair technicians. Our superior product line helps to improve gas mileage, extend engine life and improve overall performance with the consumer in mind. Technicians rely on Penray Professional Service Kits for fuel injection cleaning, power steering flush, transmission flush and other maintenance services. Penray's broad line covers fuel additives, oil additives, maintenance products, service items and winter products. For over 65 years Penray has manufactured quality chemical products with innovative chemistry focused on automotive, heavy duty and marine applications. Each of our products is specifically engineered to help keep your vehicle performing at it's very best.