The BD Ultra-Fine III Mini pen needle is 31 gauge, 5mm (3/16 in). It is the shortest pen needle in the world, and absolutely no pen needle is thinner. The needle can be safely used by adults and children, providing reliable injections with no pinch-up of skin required. You should consult with a health care professional before switching to a shorter pen needle.
Package Includes:
90 Ultra-Fine Pen Needles - 31G 5mm