Neogen's Prima Premium Adjustable 5mL/6mL Vaccinator has a rugged construction and an advanced design, making it more comfortable to use. This line fed syringe has an ergonomically designed handle to better fit the contour of your hand. The clear barrel allows for visual confirmation of dosage of the vaccine or medication being administered to the animal. The large dosage adjuster on the adjustable syringes makes changing dosages effortless. Pork, beef, sheep and dairy producers can count on reliability and durability of this Prima syringe to meet their most demanding needs. It is very easy to handle and ensuring safety of the operator and the animal.