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 3 Cc/100 Count. Dimensions are 4 X 9 X 4.5 UPC Code = 726087088617