From Wahl Professional's commercial grade line of products, the Detachable Snap On Blade is intended for professional barber use only and is designed to deliver the sharp performance that experts demand. This blade is designed to fit Wahl Professional's Beret, Echo and Sterling MAG, Sterling 4 Trimmers. A precision workhorse that leaves a cut length of 1/64" and is great for surgical prep and trimming. It is detachable, easy to snap on and off and makes routine blade cleaning a breeze. Blades are not adjustable to a zero-overlap. Package contains (1) Detachable Snap On Blade. 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.