Jorgensen Labs Thunderbolt Hypodermic Needles Heavy Duty Aluminum Hub Needle (100 Pack) Needle Size::20g x 1 2" and cognitive adjustments that can Adult Child Training Pads and cognitive adjustments that can impact workplace productivity and overall quality of life The internal layout features organized pockets for rapid visual identification of supplies during a medical event The Jorgensen Labs Thunderbolt Hypodermic Needle is a heavy duty clinical instrument specifically engineered to solve the operational challenges of injecting large animals and managing high viscosity fluids in industrial or veterinary environments Standard plastic hub needles often lack the structural integrity required for penetrating thick hides or dense tissues