More safety Different Size,Meet Different Requirements. Central Luer slip/Central Luer Lock/off-center Luer Slip for optionSpecial Design to Prevent Plunger Slipping Out.Latex/Latex Free Piston.PE/Blister Individual PackageW/needle,W/O needleCustom Needle Size Per SpecificationModel:1ml,2ml,2.5ml,3ml,5-6ml,10-12ml,20ml,25ml,30ml,50-60ml Quality Certificate CE0197/ISO9001/ISO13485Packing: ...