Heavy Duty Rectangular Retort Base and 23.6" Rod Set, 8 x 5", 2.75lbs Glass Flasks_Volumetric Flasks Seventy-eight-piece molecular model set with

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

with pucks gliding nearly frictionless across a blue-graduated steel surface

This a 3ft sample pack of PH1064C

Multiple-connection receiver adapter in borosilicate glass features 14/23 socket for connecting multiple apparatus components in chemistry setups

Heavy Duty Rectangular Retort Base and 23.6" Rod Set, 8 x 5", 2.75lbs Glass Flasks_Volumetric Flasks Seventy-eight-piece molecular model set withLighter 2. 75 lb version of the 8 by 5 inch rectangular retort set pairs a rubber footed steel base with a 23. 6 inch 12mm rod for portable apparatus mounting.