High quality 3.3. Borosilicate glassware kit with joints. 5 Piece Starter Set 14/23. Scale based on starting material quantities up to 30g.Consists of: Flask pear shaped 50ml, Still head, Liebig condenser with removable screw thread connectors, Adapter cone with screw thread, Adapter bend long. Housed in a convenient robust die cut foam lined carry case with handle.