Low Dead Space design, for use with U-100 insulin only, with attached needle. - Based on extreme needle sharpness and smooth plunger movement, insulin syringes are designed for maximum comfort. Clear, bold scale markings assure dosage control and accuracy. - 1.0ml Syringe combined with 29G Hypodermic Needle - U-100 Insulin Hypodermic Needle and Syringe - 29G Hypodermic Needle (0.33mm x 12.7mm)