Positive plunger stop allows for maxiumum filling and eliminates costly spills. Tapered plunger shaft permits one-handed operation. Luer slip syringes allow for easy syringe removal from needle and easy needle replacement. Reinforced tip reduces breakage. Tri-seal o-ring reduces leakage and provides accuracy. Size is 12 Cc/80 Count. Dimensions are 5.5 X 12.75 X 5.25 UPC Code = 726087088839