Aluminum hub disposable needles are designed for use in large animals, featuring a stiffer, stronger aluminum hub. Tribeveled, anticoring tips are computer-ground for consistent sharpness. Anti-friction coating for minimal penetration resistance and animal discomfort. Stainless steel cannula. Sterile, nonpyrogenic, autoclavable components. Tamper-evident cartridges are safe, transportable, convenient and easily disposable. Lot number is printed on each cartridge for easy tracking. ISO color-coded cartridge for easy gauge identification.