SOL-M® Insulin Syringes have a low Dead Space on both of our 100U and 50U with attached needle. SOL-M® Insulin Syringes have clear, bold scale markings which allows for dosage control and accuracy. SOL-M® Insulin Syringes are designed with smooth plunger movement for draw-up of insulin and injection. The package is tamper evident for protection of the sterile contents.