SIZE 40 High carbon steel blade sets, specially hardened for long cutting life. Andis takes over 20 steps in creating quality machined blades. Sharpened to exact quality standards and checked for cutting quality before it is shipped. Guaranteed to be superior cutting blades. Search_Phrases: Clippers,Equine Clipper,Equine Blade,Pet Blades,Pet Clipper,Andis Company,Andis Clipper Ag Blade Size 40