BD Ultra Fine Pen Needles Short 8mm x 31G, Box of 90 Go to amazon.com Related posts Top 14 recommendation bd insulin syringes for 2022 Feature100 Count BD Ultra-Fine Pen Needles Mini 5mm 31G 100 Count DescriptionBD ULTRA FINE PEN NEEDLES 8 mm X 31 gauge , Box of 90 Count. ORIGINAL FACTORY SEALED BOX ( USA VERSION )