Features: 1DOUBLE SIDED: The front side is dense teeth, the reverse side is sparse teeth, first use the comb teeth to untie the large knot, and then use the dense teeth to clean up the floating hair. 2COMB TEETH ROLE: Dense teeth (small tooth pitch) are used to deal with serious knotting area, sparse teeth (large tooth pitch) are used for daily open knotting. 3DURABLE MATERIAL: Dog undercoat rake comb is made of premium ABS silicone handle material, and the head is made of hard and rounded hardware. 4FIXING SCREW: Pet undercoat rake brush has a fixing screw to keep the comb from slipping when opening knots and to quickly open knots and soften the hair. 5COMFORTABLE HANDLE: Cat undercoat rake has a non slip handle for effortless combing, a rounded and glossy tip to guard your pet's skin. Package included: 1 x Dog&nbspUndercoat&nbspRake&nbspComb