Bd Microfine Syringe 0.5ml 8mm are safe, non-toxic, non-pyrogenic for use with U100 insulin only and provide a comfortable and convenient method of injecting insulin. These syringes are made out of durable plastic with a latex free piston, each syr comes complete with a 30G x 8mm bevelled needle. The syr holds up to 0.5ml of Ins and are marked in clear graduations of 0.01ml (1 unit) for easy and accurate dosing between 30-50 units.