One joint size 10/19. This set contains 18 items with 10/19 ground joint for maximum versatility. Over 20 standard assemblies can be constructed from simple reflux to fractional distillation. Designed for quantities starting material upto 15 g Housed in diecut foam lined box. 1 Liebig condenser 1 Dropping funnel, 20 ml 1 Flask, pear shape, 25 ml 1 Flask, three neck, 25 ml 3 Flask, round bottom, 5 ml 1 Air leak / steam inlet 1 Thermometer -10C to 250C 1 Dropping pipette 1 Rubber teat 1 Receiver adapter 2 Stopper 1 Still head 1 Air Condenser 1 Filter funnel 1 Receiver tube 1 Gas inlet tube 1 Drying tube 1 Stirrer