The BD Ultra-Fine™ Original Pen Needle is 29 gauge, 12.7 mm (1/2").The BD Ultra-Fine™ Original Pen Needle offers BD's widest inner diameter, which is a good choice for people with dexterity problems or those who take larger doses. The wider inner diameter makes it easier to press the push button and expel insulin.
Paper tab and inner shield are color-coded pink for easy size/gauge recognition. 0