Pic Insupen pen needles are precision-engineered insulin delivery devices featuring 31G x 5mm specifications. Each box contains 100 sterile needles designed with sensitive technology for comfortable insulin administration. Made in Italy, these needles incorporate Indolor pain-free technology for minimal injection discomfort. Key features: • 31G ultra-thin needle gauge (0.23mm) • 5mm needle length • 100 pieces per box • Made in Italy • Indolor pain-free technology • Universal compatibility with insulin pens These pen needles are designed for single use only and feature a universal screw system that makes them compatible with most insulin delivery pens. The ultra-thin 31G needle combined with the 5mm length provides an optimal balance between effective insulin delivery and patient comfort. The Indolor technology helps reduce injection pain while maintaining precise dosing capabilities.