* Size: #7 & #9 & #12 (22G 20G 18G), L 50-90 mm; * Use: Used in subarachnoid puncture for spinal anesthesia; * The control by automatic digital cutting instrument make the processing of needlepoint more precise and uniform, and therefore stabilize the peak strength of needlepoint at qualified level. Rigorous test make the processing more reliable; * The tip is sharp and the marks on the tube is clear; * The length of the tube is optional.
