Superior durability; thick wall cannula and plated brass hubs reduce breakage 6-fold over conventional needles. 100% detectable in metal detection systems vs. only 15% for standard needles. Precision-ground tip stays sharper longer, allowing for multiple injections without burring. Packaging Features:*Gauge stamped on hub and packed in red cartridges and boxes for easy identification. *Cartridges are tamper-evident and labeled with needle size and lot number.