Evolution Undercoat Rake with Rotating PinsThe Evolution Double Row Undercoat Rake is the perfect tool for clearing loose fur and preventing matting in your dogs undercoat. With twenty rotating metal pins that harmlessly pull through the coat, this rake is designed for breeds with thick, heavy coats. Grooming rake for dogs with thick, heavy coats and undercoats Rotating pins pull through coat harmlessly Removes loose undercoat and helps prevent matting Ideal for dense coats Dimensions: 5. 5"