1-1/4 inches Horsehair Bristles Deluxe Floor Brush for Most Vacuums Accepting 1-1/4'' Attachments Cleaners Brush & Nozzle in One Attachment 6 inches wide, 1&1/4" inside diameter The horsehair brush can be removed, and it can be used as a suction nozzle. Horsehair bristles, considered as the best material for floor and carpet. Also perfect for dusting sofa, window sills, furniture and bed. Material: horsehair bristles