Overview of Syringe Luer Slip 20 mL, 48/Bx BD 302831 Syringe, Luer Slip, 20 mL (Box of 48) The BD Syringe only 20mL syringe is a sterile, single use high quality syringe. Syringe comes with a clear barrel and easy to read graduation marks. The Luer Slip tip of this 20mL Syringe fits convientional and safety needles. For Diabetic and other uses including Post-Operative Conditions, Vitamin Deficiencies and Intramuscular Medication