Timstar 27bu/M Set Standard Version. These sets have been designed to cover the essential requirements for the teaching of organic chemistry in schools and colleges, and are difficult to beat for versatility. The sets, made from borosilicate glass, comprise nine items of glassware housed in foam insert within cardboard box (Value Version) or polystyrene insert within Gratnells tray (Standard Version).Items included are:• Air Leak/Steam Inlet tube• Still Head• 50 mL Dropping Funnel• Screw thread Adapter• 50 mL Pear Shaped Flask• Receiver Adapter• Liebig Condenser• Stopper• Thermometer