Becton Dickinson Luer-Lok™ Syringe, 1mL, Sterile, Latex-Free, 1/100 mL GraduationUnique integrated BD Luer-Lok™ tip syringe with clear polycarbonate barrel. Barrel outer diameter is equal to the BD™ 3 mL syringe; inner diameter is the BD 1 mL slip-tip syringe.