Becton Dickinson insulin needles come in different lengths 12.7mm, 8mm and 4.7mm. The gauge is the thickness of the needle. The higher the thickness the thinner the needle.
Becton Dickinson insulin syringes are available in three barrel sizes 1ml, 0.5ml and 0.3ml. Sizes are colour coded for easy identification.
NS3226B 0.3ml, 30g x 8mm, 100
NS3225B 0.5ml, 30g x 8mm, 100
NS3227B 1ml, 29g x 12.7mm, 100
NS3224B 0.5ml, 29g x 4.7mm, 100
NS3292B U100, 0.5ml, 200
NS3291B U100, 1.0ml, 200
