BD PEN NEEDLE 32X4MM ASIA X1WPrimary Uses Designed for subcutaneous injection of insulin or GLP1 medications using pen devices. Compatible with virtually all major insulin pen brands (BD, Novo, FlexPen, Humalog, etc.). Benefits & Key Features UltraFine & Short Design At just 4 mm long and 32 gauge, its the shortest and thinnest on the marketabout the width of two strands of hair. Clinically shown to deliver insulin as effectively as longer needles. Reduced Pain & Anxiety Shorter