Product description: * Main structure of sterile auto disable syringe for single use: RPF, barrel, plunger, piston and its barrel and piston are in interference fit, so as to make sure of seal; * RPF: Such syringe has been in design that RPF will start all by itself just after it has been used in order to prevent it from reusing; * Barrel of the auto disable syringe is transparent to observe solution and read its measure through surveyor's rod graduation on it. And its top is designed as RPF area; * Both barrel and plunger of the auto disable syringe are made from biomedical polymer material whose biocompatibility conforms to standards; * Model of sterile safety syringe: Luer slip & Luer lock; * Size: 0.05ml,0.1ml,0.5ml,1ml,2ml,3ml,5ml,10ml,20ml.