Oster CryogenX Professional Animal Clipper Blade, Skip Tooth, Size 4 (078919-136-005) Animal clipper blade ideal for grooming fluffy coats; cuts hair to 3/8 of an inch (9.5mm) Handcrafted from high-carbon steel to provide exceptional precision and durability Cryogenically treated to ensure long-lasting sharpness and wear resistance Manufactured in the USA with superior craftsmanship Available in a variety of sizes to suit any coat type and fur length