Adjustable dose repeater featuring the patented ToughNut barrel tip, designed to reduce the risk of breakage. The easy CDS system allows you to click the button, draw in fluid, and squeeze to deliver. Features a UV-resistant poly barrel, blue O-ring compatible with oil-based vaccines, and a metal luer lock and nib. The ergonomic metal handle and lever provide a comfortable grip, while three colored knobs are included for convenient identification. Comes in retail-ready packaging.