8-10 blades: Ideal for removing dense undercoat on heavily furnished breeds, such as Golden Retrievers, Sheepdogs, Cockers, and other similarly coated breeds. Proven to be extremely useful in helping to smooth out the coats overall appearance by removing unnecessary and excessive undercoat.
12 blades: Extremely useful in removing bulk undercoat in medium to shorter coated breeds. Can also be used to smooth out the back coat/jackets on Spaniels, Terriers, and other breeds, as well.
16-20 blades: Very useful in removing bulk undercoat in shorter coated breeds, such as the Schnauzer, Westies, and other Terriers. Can also be used to smooth out the back coat/jackets on Spaniels, Retrievers, and other Sporting Breeds, as well.