Check the listing for details. Solid Rubber Stopper Bung Laboratory Engine Seal Flask Tapered Tube Plug 15 Size. Condition: New. Listed at 3.21 USD. Product Description Specifications 1.Material: Rubber 2.Color: Beige 3.Size: 000#:Top Dia: 13mm,Bottom Dia:9mm ,Height:17mm 00#:Top Dia: 15mm,Bottom Dia:11mm ,Height:21mm 0#:Top Dia: 17mm,Bottom Dia:13mm ,Height:24mm 1#:Top Dia: 19mm,Bottom Dia:14mm ,Height:26mm 2#:Top Dia: 20mm,Bottom Dia:15mm ,Height:26mm 3#:Top Dia: 23mm,Bottom Dia:17mm ,Height:26mm 4#:Top Dia: 26mm,Bottom Dia:19mm ,Height:28mm 5#:Top Dia: 29mm,Bottom Dia:22mm ,Height:28mm 6#:Top Dia: 33mm,Bottom Dia:25mm ,Height:28mm 7#:Top Dia: 37mm,Bottom Dia:28mm ,Height:30mm 8#:Top Dia: 42mm,Bottom Dia:32mm ,Height:30mm 9#:Top Dia: 45mm,Bottom Dia:37mm ,Height:30mm 10#:Top Dia: 50mm,Bottom Dia:41mm ,Height:32mm 11#:Top Dia: 56mm,Bottom Dia:46mm ,Height:34mm 12#:Top Dia: 62mm,Bottom Dia:51mm ,Height:38mm Conversions: 1 mm= 0.039inch, 1 inch=25.4 mm 4.Can be used for test tube, flask stopper or other bottles Packakge included We will ship according to your order Notice 1、Please allow 1-3cm error due to manual measurement.Pls make sure you do not mind before you bid. 2、The color may have different as the difference display,pls understand. 1.We ship to worldwide， I will add a tracking number in EBAY 2. Make sure your Address is correct. A phone number is recommended for a more accurate delivery. 3.We try our best to provide you the most reliable, affordable way of shipping service. But sometimes international delivery is highly depended on the local customs and post service. If you do not receive your item on time, please contact us immediately for further assistance. We will be responsible for any damages or losses incurred in the shipping process. Country Shipping time Note USA ,Russia（e-packet dispatch） 5-12 working days ≥20 days, contact me USA ,Australia, United Kingdom（Economy Shipping from outside US） 15-25 days, sometimes 30 days ≥30 days, contact me France 15-28 days, sometimes 30-35 days ≥35 days, contact me Brazil, Spain, Canada 20-40 days, sometimes 40-45 days ≥45 days, contact me Other country Normally 25-30 days to reach ≥30 days, contact me After purchase.Isendgoodswithin12 hours.And Illadd a trackingnumbertotheEBAY.Thistracking numbercan querythePost. ● I am very glad to solve your any problem on my items. ● Feel free to contact me via Ebay message or Email. Usually I will respond in 24 hours.. ● We greatly appreciate your POSITIVE feedback. Once your payment is clear, our automated process will respond by giving you positive feedback that same day. ● Negative or Neutral feedback does not resolve any underlying issues that you may be experiencing as a buyer.Any question or unsatisfaction please contact us with ebay message,we will sincerely solve for you.