The autmatically retractable safety syringe is available in a full range of barrel sizes with different needle gauges for each barrel size. The needle is automatically retracted when the injection is complete and the plunger is pushed all the way against the shoulder of the barrel.The end user will hear a click then the needle will be autmatically retracted back inside the hollow blue plunger.
The manual retracting syringe is also availabe in a full rangge of barrel sizes but has designed to house any brand and any size of standard needle. The needle is retracted when the plunger has been pushed all the way inside the barrel, the end user will hear a click then by manually pulling the plunger back the needle is retracted back inside the barrel of the syringe. lock the needle inside the barrel by pulling the plunger all the way back hearing a second click. Then snap off the plunger.