We stock all sizes of Dr. Pen Ultima A6S Professional Plus Microneedling Pen Replacement Needle Heads for you. For gorgeous, glowing skin from the comfort of home, say hello to the Dr. Pen Ultima A6S Professional Plus Microneedling Pen! Clinicians recommend use of a fresh needle head for each treatment. For the device please see here: Dr. Pen Ultima A6S Professional Plus Microneedling Pen