Advanced Oster® Cryogen-X™ AgION® blades feature high-carbon steel for added durability and built-in microbial protection. Size 4F blade has a 3/8" (9.5 mm) blade cut. Oster® Cryogen-X™ AgION® blades have advanced, silver-based AgION antimicrobial protection built in to prevent the growth of bacteria, mold, and mildew on blade surfaces. Manufactured from fine-grain, high-carbon steel that is cryogenically treated so edges stay sharper longer. American-made blades have a Rockwell Hardness rating of 62 and stay ultra cool during operation for optimum durability. Large numbers on blades make identification easier. Size 4F Blade has a 3/8" (9.5 mm) blade cut. Provides a smooth, velvety finish. Ideal for puppy/lamb cuts and body clips.
Compatible with all Oster, Andis, Conair and Wahl A5 Type detachable blade clippers. Try them and you will see the difference