The Buster Self-cleaning Slicker Brush with hard pins is a gentle, effective pet grooming brush for de-matting and removing unwanted loose hairs. Retractable self-cleaning pins save clean-up time—simply push the back button to release collected hair. Medium head measures 8 cm (3.2 in) wide by 5 cm (2 in) long. A versatile dog brush and cat brush in a stylish pink finish for everyday coat care.