About this item High Quality: Hair razor comb is made of ABS and stainless steel, double edge razor blades Multi-Function: Dual functional hair combs, will comb and section hair on one side and cut hair on the other Easy to Use: It is easy to change blades, a smart DIY tool at home, convenient to use and portable to carry Size: Hair comb blade total length is 21.8 x 4 cm/ 8.58 x 1.57 inch Application: Hair comb blades are used to shorten, shape, and thin the hair, comb hair knot, also can effectively solve the pet hair knot, fall off and other proble