Needles without Syringes come in different gauges, which can sometimes indicate their use. For example, 21-gauge needles are used for drawing blood for testing, while 16- and 17-gauge needles are used more often for blood donations.
As with any product NewLeaf Home Medical offers, we have a team of devoted and patient advisors available to help by providing answers and guidance unique to your specific needs. Please do not hesitate to call us at 888.739.4330 for help.