Spinal Needle Color Code Gray Gauge 27 Gauge Hub Material Polypropylene Length 3-1/2 Inch Needle Material Medical Grade Stainless Steel Sterility Sterile Style Quincke Stylet Type Fitted Stylet Type Standard Length UNSPSC Code 42142514 Usage Disposable Wall Type Regular Wall 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