Durable and heat-resistant syringes: The 1 ml glass syringe is produced by advanced German production technology, which uses borosilicate glass tubes, making it more heat-resistant and durable than ordinary glass and less prone to damage. Safe combination of airtight and crack proof Luer locking cover: The Luer Lcok cover of the glass syringe is leak free, has good sealing, and has been and packaged with epoxy resin. It can that the material is more stable. (Lock and Rod is Non-Sterile) Easy to use with metal plunger: 1 milliliter glass syringe with smooth and easy metal plunger, easy to replenish, transfer, dispense vegetable oils, juices, liquids, glues, adhesives, veterinarians, also suitable for solvent inks, also useful for replenishing, and then distilling. It is recommended to use it once and repeatedly as a substrate for resins and petroleum. Accurate measurement syringe: A 1 milliliter glass syringe has clear scales, easy to read for accurate measurements, and measurement markers will not disappear like plastic! Very suitable for laboratory refilling, nurturing, and measuring samples for cleaning. Sample: Simply disassemble the laboratory syringe into three separate parts, dry them, and store the syringe and plunger in air. Packaging: 10 glass syringes without needles. Material: glass+metal colour: gold Package Contents: 10 x Glass Syringe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.