Shedding is the natural way for your dog to get rid of dead hair. Regular brushing and grooming can help control your dog’s shedding thus minimizing the amount of hair around the house. Wahl Double Sided Shedding Blade features coarse teeth on one side for de-shedding thick coats. On the opposite side, finer teeth are better suited for shorter coats to smooth and shine. Use looped blade for small areas or separate the handle to use the straight blade on large areas.Allergen information: allergen_free. Suitable for most coat types. Open blade mesure 13″ (33 cm). Fine teeth on the opposite side to smooth and shine shorter coats. Coarse teeth on one side to de-shed long coats. Flexible stainless steel blade – keep looped to work on small areas or straightened for larger areas.