HeyWin Silicone Bungs for Holes,8mm to 37mm,Rubber 18Pack,Used Sealing Test Tube,also Tapping Holes during Powder Coating,etc(18)

18pieces-10 assorted sizes: 000#, 2piece; 00#, 2 pieces; 0#, 2piece; 1#, 2 piece; 2#, 2piece; 3#, 2piece; 4#, 2piece; 5#, 2piece; 6#, 1 piece; 7#, 1 piece These silicone bungs for holes are used for sealing test tubes, conical flasks and other experimental equipment , etc., show excellent strength and retain flexibility for a long time, conical shape design, easy to plug and pull These silicone tapered bungs are also used for tapping holes during powder coating Please read the measurement description picture carefully before making a decision (1-2mm measurement errors may occur) HeyWin team always adhere to the principle of customer first and serve with heart. If you have problems with the product, please contact us immediately, we will give you a satisfactory reply within 24 hours