MONOJECT safety shield syringe and needle comes with a patented two-step locking mechanism. The MONOJECT Insulin Safety Syringe has a true transport position. This Insulin Safety Syringe provides an ULTRA-COMFORT, anti-coring, permanently attached needle. The Insulin Syringe has an ACCU-TIP flat plunger tip, ACCU-SCALE graduations and low dead space. The MONOJECT Insulin Safety Syringe is used for U-100 insulin and is latex Free.