unt tip needles are processed without burr edge, and the inner and outer pipe walls are polished to steel pipes to ensure the accuracy of liquid spitting Exquisite design: the needle adopts double helix lock and large area rotation design, which is not only safer to fit but also easier to disassemble Wide range of applications: the dispensing needle set is suitable for dispensing liquids, not filled with ink, oil, paint, glue and more Feature: Useful tool: These dispensing needles are processed without burr edge, and the inner and outer pipe walls are polished to steel pipes to ensure the accuracy of liquid spitting. Practical design: The product adopts double helix lock and large area rotation design, which is not only safer to fit but also easier to disassemble. Suitable for dispensing liquids, not filled with ink, oil, paint and glue, etc. Colour:green Material:Plastic + Metal Warm note: the product is not sterile, should not be injected, and the needle is blunt Package Contents: 20 * Blunt Tip Needle 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.