Primary IV administration set with spike and 60 gtt gravity drip chamber. Includes roller clamp for setting drip rate. Two Y-sites for attaching piggyback lines or for IV push: One pre-pierced Y-site and one needle free Y-site. Rotating male Luer lock allows for easy attachment to patient's IV insertion site. Primes with approximately 10 mL of fluid. Microdrip IV lines are necessary for the administration of pediatric IV medications and fluids, as well as for tightly controlled dosing in adult IV medications.