A5 blade for hair clippers compatible with brands: Andis, Moser, Heiniger, Oster, Aesculap model Fav5 and Fav5 CL. Features: Cutting height: 9mm. Blade number: 4 Material: Steel. Buy with Confidence: 100% Artero Guarantee. Artero is a Spanish company with over 100 years in the professional hairdressing world. Artero A5 cutting blades are made of high carbon steel tempered by a cryogenic treatment (heat and cold) that will remain sharper for longer and have extra resistance to oxidation. Artero blades are hand sharpened and undergo strict quality control. Great durability thanks to a Rockwell hardness of 62".