100/BX. Ultra Fine III Short Insulin Pen Needles coated with special Micro-Bonded lubrication for a more comfortable injection- This Insulin Pen Needle provides reliable injections for all patients with no pinch-up of skin required- The Ultra Fine III Short Insulin Pen Needle is thinner and more delicate for less pain and greater comfort- The Ultra Fine III Short Insulin Pen Needles are long enough to pass through the skin into the fat layer, but short enough that it does not reach the muscle-Features- Hub Connection - Pen Connection- Latex free- Non-toxic- Non-pyrogenic- Single use only- Disposable- Sterile- Type - Short-- 31G x 8mm-- 100 per box.