From Wahl Professional's commercial grade line of products, the 3 Hole Adjusto-Lock Designer Clipper Blade is intended for professional barber use only and is designed to deliver the sharp performance that experts demand. It is ideal for many of the clippers in your Wahl Professional collection and is designed for standard off-scalp clipper cutting and blending. This blade is designed to fit Wahl Professional's Cordless Designer, Designer, Limited or Promo Designers, Senior, and Pilot Clippers. Package contains (1) 3 Hole Adjusto-Lock Designer Clipper Blade; includes blade oil and instructions. Blades made in the U.S.A. Leo J. Wahl invented the first hand-held electric clipper back in 1919. He believed in necessary, reasonably priced products that enhanced the lives of everyone who used them. Today, all Wahl products embrace the principles of our founder. We offer reliable, value-priced devices and solutions that protect skin and hair while performing on all skin and hair types. PLEASE NOTE: Due to continuous improvement, the product appearance may slightly vary from the product images on this listing. Wahl Professional Products purchased from this authorized dealer feature a manufacturer's warranty, which is not available from unauthorized dealers. For sale and use in the U.S.A. only