Features: brand new and high quality Made of high-quality metal which is resistant to high temperatures, dissolution and hydrochloric acid, making your use safe and secure. The syringes adapter are small, easy to store, and install in seconds, saving-time and space. Can transfer liquids and gases in a safe and leak-free situation, and are a tight and good joint for connecting syringes. The female lock syringes are designed to keep the connector safe and reliable, and can be used for long-time after cleaning. Greatly improve the accuracy, save-time and convenient for operation. Specifications: Material:Metal Size:Approx.2.4x1.1cm/0.94x0.43inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Luer Lock Adapter