Jorgensen Labs Thunderbolt Hypodermic Needles Heavy Duty Aluminum Hub Needle (100 Pack) Needle Size::20g x 1 2" and cognitive adjustments that can Type_Guide Pin 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 Razor Sharp Bevel Design: Features a precision honed tip to facilitate smooth penetration and reduce the force required for insertion 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