The 10 borosilicate glass syringes are perfect for applying glue, refilling ink cartridges, and getting into hard-to-reach places. This glass syringe is also suitable for labs, as well as veterinary offices that prefer non-plastic tubes. SYRINGE RESISTS TEMPERATURE CHANGES - Don't you hate using luer lock glass syringes that crack and break easily? Even when loaded with hot liquids or oils, borosilicate remains completely intact. BEST VALUE - Each reusable ink syringe includes 14 Ga blunt tip needles, one per oil syringe. unlike other 1ml syringe brands that require you to purchase one separately. Additionally, 10 are packaged in syringes with protective mylar airsealed. Leak-free & airtight - Plastic luer lock and plunger seal the glass syringe, preventing leaks and keeping contents sterile. This feature allows a clean transfer, refill, and exact measurement of liquids. DURABLE BUILD - High quality, non-toxic syringe holds up against accidental drops with its durable resistance against light impact.