WD-40 is a trusted and proven problem solver that has so many uses and works so effectively it is found in tool boxes work shops garages and factories around the world. It is an essential problem solver in any maintenance environment. WD-40 is a true multi-purpose product. It lubricates cleans and protects loosens rusted parts frees sticky mechanisms and drives out moisture to prevent rust and corrosion. One pint heavy-duty sprayer for use with WD-40 liquid. Adjustable spray nozzle for stream or spray. Durable plastic. Specially treated on inside to add stability for use with penetrating quality of formula. Perfect applicator for heavy users of WD-40.