Disposable Insulin Needle Ultra Fine 29G-34G Multiple Length Options, Pen format Product Description Disposable Insulin Needle is designed for use with compatible pen devices, providing a fine-gauge needle option for routine subcutaneous administration. The needle is available in multiple gauges from 29G to 34G and lengths from 3 mm to 12 mm, allowing healthcare providers and users to select a suitable configuration according to device compatibility and application requiremen