The B Braun 333873 is a Pencan Spinal Needle designed for precise and safe spinal procedures. It features a pencil point tip, measuring 27 gauge in diameter and 3.5 inches in length, which ensures minimal puncture trauma and reduces the risk of post-dural puncture headache. This needle is ideal for use in various medical settings requiring spinal procedures. It comes in a case of 25, ensuring you have enough supply for multiple procedures.