The BD 0.5ml Insulin Syringe with Needle combines a 0.5ml barrel with a pre-attached 29G x 12.7mm needle for comfortable and accurate insulin delivery. Marked with U-100 (50 unit) graduations, this syringe is designed for patients administering up to 50 units of insulin. Each syringe is individually wrapped and sterile. Supplied in a box of 200.