Carepoint Pen Needles 31g 4mm Pack of 100 Glucorx Carepoint Pen Needles Universal fit on all pen delivery devices including Eli Lilly, Novo Nordisk AS, Becton Dickinson, Owen Mumford and Sanofi. Pen needles are electropolished with high grade siliconisation for enhanced ease of injection. They use MaxflowTM technology (extra thin wall allows maximum flow rate and reduced injection time) and so are anti-coring (no fragmentation). Quality pen needles, without the cost. Features: - Only pen needle brand offering a complete size range - Triple bevel needles, allowing a smooth and more comfortable delivery system - Pen needles are electropolished with high grade siliconisation for enhanced ease of injection - Product uses MaxflowTM technology (extra thin wall allows maximum flow rate and reduced injection time) and so are anti-coring (no fragmentation)