Detailed Product Description for disposable needles /Scalp vein sets Features 1) Application: Used together with syringe or infusion set for human infusion 2) Series available: 17G, 18G, 19G, 20G, 21G, 22G, 23G, 24G, 25G, 26G, 27G Detailed Product Description for I. V. Cannula We can supply the I. V. Cannula with all the types from 14g to 24g, with port-with Wings and without port -without wings. Higher quality with best prices. Being exported to many countries.