PEN NEEDLE, 8MM DEPTH, 31G X 5/16", 100/BX, SOLD AS BOX ULTIMED, 10000846Pen Needle, 8Mm Depth, 31G X 5 16", 100 Bx, Sold As Box Ultimed, 10000846 Ultimed Ulticare Pen Needles Ultimed Ulticare Pen Needles Ulticare Pen Needles Are Precision Engineered To Provide Superior Comfort. Features Include Triple Beveled Tip For Easier Insertion, Electromagnetically Polished For A Smooth Finish, Silicone Coated For Added Glide, Anti Coring Treatment For Clean Piercing. Compatible With All Pen Injectors Sold In The U. S. Pen Needle,