what are nano bd needles
These needles are technologically advanced compared to other needles and will deliver the most comfortable of injections, guaranteed - basically, you won't feel a thing. The BD Nano is the shortest, thinnest insulin pen needle on the market, measuring only 4mm (5/32 inch) in length with a gauge of 32. Compare that with the BD Original at 12.7mm (1/2 inch) and 29 gauge. You'll feel the difference, since you won't feel a thing.