normal type and safety type Delicately-designed needle-point with features of sharpness, smooth puncture, less damage to the tissue, less painful feeling ti the patient With soft wings for the convenience of fixation With large ID and hight flow Size distinguished by the wing & primes color for the clear recognition Safety scalp vein sets with protective sheath on the tube Soft pulling after the infusion so that the needle can be pulled into the protective sheath so as to prevent the medical care persons hurt by the used needle. Needle-hub types:1.PVC hub2.ABS hub Wing types:1.Single-wing ABS2.Double-wing PVC