Grooming and bathing your pet is not only a necessity, but it is also a bonding activity that is enjoyable and rewarding for both you and your pet. Because of this Wahl Professional Animal whats to ensure that you get the best quality performance and long-life out of your pet clipper and blades. Wahl Professional Animal's 4 oz. Blade oil is a top of the line professional blade mainteance used to reduce friction and heat that may be produced when a groomer goes to clip, trim and groom their pets. This blade oil is recommended for use on All Wahl blade types; note that using any other lubricant may cause damage to your blade and animal clipper and would void your clipper's warranty. Proper blade care can lengthen the life of your blades as well as keep your pets looking their best.