What sizes of insulin syringes are available, and what is the difference? ... The higher the gauge, the thinner the needle. They are typically available in sizes ranging from 28–31.

Insulin syringes come in multiple sizes and lengths. ... The size of the barrel determines how much insulin a syringe holds, and the needle gauge determines the needle thickness.

With no statistical difference in pain level in use of 30-gauge or 32-gauge needles in periocular botulinum toxin type A injections, other differences should be considered when selecting the ...

A 27-gauge needle, a 30- gauge needle, and a 31-gauge needle have diameters of 0.41 mm, 0.31 mm, and 0.26 mm, respectively ().The 31-gauge needles have become standard practice for patients with ...