... sizes: 18G, 20G, 21G, 22G, 23G, 24G, 25G, 26G, 27G Scalp Vein Set1)Provide venous access and make patient comfort during ... sharp needle point smmoth,less pain to patientintravenous infusion needle/scalp vein set needle/ butterfly needle1/ Materials: Mainly made from plastic ... in use.7/ Single use only ,reuse is forbiden MEDICAL Scalp Vein set