This Eisco Labs multiple adapter features two parallel necks in heavy-duty Borosilicate glass and is used to connect laboratory equipment with different size joints. The adapter has a 24/29 socket and a 29/32 cone, measuring approximately 7 inches tall by 4.5 inches in total width. [DATA NOTE: title states 29/32 socket while bullets state 24/29 socket — please verify before publishing.] Ideal for chemistry laboratories building distillation, reflux, and reaction setups requiring joint adaptation between standard taper sizes.