The BD® Whitacre Spinal NRFit™ Needle is the needle you trust, now with ISO 80369-6 compliant safety features. Available in 8 sizes ranging from 88.9 mm to 119.1 mm and gauges from 22 G to 27 G, BD® Whitacre Spinal NRFit™ Needles also offer the option of thin walls (indicated as TW) for maximized flow through same gauged needles.