1CLEAR TO READ: The needle tube adopts a scale mark pad printing machine, and the capacity value is clear and easy to read 2LOW AIR BUBBLES: Ink supply needle syringe is smooth and uniform, reduce air bubbles. Used for adding ink and pumping ink 3UNIFORM RUBBER RING: Built in high quality rubber ring, more uniform and easy to work, possess good elasticity and good compression deformation 4TRANSPARENT AND EASY TO CLEAN: Plastic ink syringe is colorless and transparent, does not affect the use, easy to clean. 10ml capacity is enough to use 5CHEMICAL RESISTANT PP MATERIAL: PP material has a relatively smooth surface. Possess low water absorption, good chemical resistance, and good impact strength Item Type: Ink Supply Needle SyringeMaterial: PPUsage: Add ink, draw inkCapacity: 10ml 1 x Needle1 x Syringe 1. Do not use when the needle tube is bent more than 20. 2. This product contains rubber, and those who are allergic to rubber are prohibited.