(Last 4 digits of Product code are 0119) The BD Ultra-Fine III Mini pen needle is 31 gauge, 5 mm (3/16 in). It's the shortest pen needle in the world, and no pen needle is thinner. It can be safely used by both children and adults, 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.

Paper tab and inner shield are color-coded purple for easy size/gauge recognition.

All BD pen needles are... Engineered with optimal point geometry for maximum comfort and reliability Coated with special Micro-Bonded lubrication for a more comfortable injection Manufactured with the finest surgical steel available Subject to 100% needle point inspection to assure consistent high quality Non-toxic, non-pyrogenic and DO NOT CONTAIN LATEX