What is this?The Rubber Tapered Plug is great for laboratory utensils such as flasks, test tubes, or other laboratory applications, also can as a sewer plug, water pipe plug, or drain plug.What will I get?The tapered plug is in size of(Bottom.D*Top.D*H):000#: 9 x 13 x 17 mm / 0.35 x 0.51 x 0.67 inch00#: 11 x 15 x 20 mm / 0.43 x 0.59 x 0.79 inch0#: 13 x 17 x 23 mm / 0.51 x 0.67 x 0.91 inch1#: 14 x 19 x 26 mm / 0.55 x 0.75 x 1.02 inch2#: 15 x 21 x 26 mm / 0.59 x 0.83 x 1.02 inch3#: 17 x 23 x 26 mm / 0.67 x 0.91 x 1.02 inch4#: 19 x 26 x 28 mm / 0.75 x 1.02 x 1.1 inch5#: 22 x 30 x 29 mm / 0.87 x 1.18 x 1.14 inch6#: 26 x 32 x 29 mm / 1.02 x 1.26 x 1.14 inch7#: 30 x 37 x 30 mm / 1.18 x 1.46 x 1.18 inchIn the package of: 000# x 2Pcs, 00# x 2Pcs, 0#x 2Pcs, 1# x 2Pcs, 2# x 2Pcs, 3# x 2Pcs, 4# x 2Pcs, 5# x 2Pcs, 6# x 2Pcs, 7# x 2Pcs(20 Pieces in Total)Are there any advantages of the product?Made of Rubber, with good resistance to chemicals, acid and alkali resistance, can withstand high temperatures in a short time.How to use it?Conical design, solid, easy to install and good sealing performance, flexible and durable, not easy to crack, shrink, harden or break.What should I notice?Please check the size carefully before ordering! This product has a smell, please put it in a ventilated place before use to reduce this smell
