BD Quincke Anesthesia Spinal Needle 20g x 3‑1/2" (405182). Color-Coded: YELLOW. Spinal needle has key/slot arrangement of stylet and cannula hubs facilitates proper needle bevel orientation. Unique translucent window hub allows for easy visualization of CSF. Specialized fitted stylet reduces tissue coring. Sterile, single-use with peel-apart package allows easy dispensing. 25/BX 4BX/CS. Priced per box.