Ultra sharp spinal needles for smooth insertion and greater patient comfort. Precisely calibrated manometer with well defined markings for visula acuity; Luer slip fitting assures quick and leak-free connections. Prenumbered vials for accurate specimen identification. Latex free.- Pediatric Tray, Sterile, Includes: Spinal Needle With Stylet, 21G x 2", 5" Extension Tube, 3-Way Stopcock, One Piece 350mm Manometer, 4-10mL Specimen Vials & 4 Patient ID Labels, 10/cs (US Only) 14-21 Days