ULTRA-SHORT PEN NEEDLE, 6MM, 31G, 100/BX, SOLD AS BOX OWEN 290Ultra Short Pen Needle, 6Mm, 31G, 100 Bx, Sold As Box Owen 290 Owen Mumford Unifine Pentips Owen Mumford Unifine Pentips Unifine Pentips Pen Needles With A Unique Silicone Lubricating Coating Are Designed To Give Maximum Comfort. They Are Compatible With All Major Insulin And Non Insulin Pens On The Market And Are Available In Multiple Sizes To Suit All Patient Needs. Ultra Short Pen Needle, 6Mm, 31G, 100 Bx (Us & Canada Only) Sku: Ndc 10146768_Bx