The Monoject Insulin Syringe (1/2cc, 28G x 1/2") U-50 dosage is intended to be used for U-100 insulin. The Monoject syringe has an anti-coring, stainless steel tip and ACCU-TIP plunger tip for an easy insertion and injection. The syringe has easy-to-view graduations and bold scale markings to help with measurements.