Denman Freeflow Volumizing 7-Row Hair Brush D31 is a professional product used by hair dressers to create volume and texture during blowdrying. The widely-spaced freeflow pin design helps to detangle thicker hair and is especially suitable for maintaining naturally curly hair. Freeflow pin pattern - 7 rows. Anti-static rubber pad. Smooth round-ended pins. Resistant to heat and chemicals. Size: 8" x 1 1/4"