Features & Specification BD Glide with TBL Needle Technology The thin wall allows thinner needles with better drug flow Tri Bevel tip allows easy penetration into the skin Micro bonded Lubrication allows smooth penetration. U-40 1ML Insulin Syringe with 0.25mm (31G) X 6mm Needle For 40 units or less of insulin Shortest BD insulin syringe needle Sterilized using irradiation For Single Use Only 1 Box Contains 100 syringes ( 10 packets of 10 syringes )