Medical Disposable Manual Retractable Safety Syringe Specification: For insulin: 0.3ml, 0.5ml, 1ml(U-100 or U-40); For immunization: 0.05ml, 0.5ml, 1ml; For regular injection: 1ml, 2-3ml, 5ml and 10ml; Nozzle tip: Fixed needle; Sterile: By EO gas, Non-Toxic, Non-Pyrogenic Certificate: CE and ISO13485 and FDA International patent protection Produce advantages: Fingers stay behind the needle at all times Non-exposure of needle after manual retraction Requires minimum training No add-on pieces allows for low angle injections Retract speed under control-no splatter after activation Competitive price advantage over other safety technologies