Type:Hand Tool Parts Origin:Mainland China Material:Plastic describe 100% brand new 1. Available Size: 14G 15G 16G 18G 19G 20G 21G 22G 23G 24G 25G 26G 27G 30G . 2. Blunt / Flat end (not sharp end), stainless steel tips. 3. High precision, burr-free polished. 4. Threaded luer lock for 14G-27G except 16G, 24G and 26G in slip lock / bayonet lock, color-coded polypropylene hubs. 5. Tip length: 12mm, 1/2''. 6.Quantity: 50pcs (Delivery according to your choice) They are blunt end dispensing needles (not sharp end) and are usually used for gluing the electronic components, jewelry or filling the ink, e-cigarette liquid /clay etc. They are unsterile and are not for the purpose of hypodermic injection. Spec. Inner Diameter Outer Diameter Color 14gauge 1.55mm 2.10mm Olive 15gauge 1.36mm 1.80mm Amber 16gauge 1.32mm 1.60mm Gray 18gauge 0.84mm 1.27mm Green 19gauge 0.75mm 1.06mm Black 20gauge 0.60mm 0.91mm Pink 21gauge 0.51mm 0.82mm Dark Purple 22gauge 0.41mm 0.72mm Blue 23gauge 0.34mm 0.64mm Orange 24gauge 0.30mm 0.55mm Purple 25gauge 0.26mm 0.51mm Red 26gauge 0.23mm 0.45mm Light Brown 27gauge 0.21mm 0.41mm Clear 30gauge 0.15mm 0.31mm Lavender Notice: 1. Due to manual measurement, please allow an error of 0.1-0.3mm. 2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. If you have any questions about this product, please feel free to contact us. We will reply to you as soon as possible. Thank you very much for your support. happy shopping! Satisfaction Guarantee Our first priority is to provede you with an easy,pleasant,and anxiety-free shopping experience we try our best to give a clear,candid,and complete description of our products and their conditions we are always ready to help if you have questions or encounter a problem ,but if for any reason you are not satisfied with a product or service please do not hesitate to contact us It is very impottant to us that you have a positive & 5 star transaction with us. please contact us promptly before you leave us negative feedback.we weill try our best to resolve you problem. If I am not online,please leave your message,we will reply you once we log in.we reply every message except we have not get your message. Refund we accept refund if product not as decribed If the goods are damaged.Please provide photos.We can give you a full refund.Or send you a new item If the product is lost. Or the wrong number. If we make a mistake. We accept partial refund compensation Services After receiving the payment. We will send the goods within 12 hours