Revolutionary grooming tool that easily removes undercoat FAST, painless for the dog, Simple to use just comb through in the direction of the coat and undercoat is EFFORTLESSLY removed. Medium 2.5ml gap between blades suitable for Australian Terrier, Bassett Hound, Beagle, Border Terrier, Dachsund (smooth haired), Dachsund (long haired),Schnauzer, West Highland Terrier and Golden Retriever