Tapered walls and proper size horn allow volumes as little as 3mL to be mixed. Fabricated of borosilicate glass with #25 Screw thread center neck and two 14/20 side necks. With 7506-10 bushing, center neck will accept 9852-41 slide adapter with 9814 horn and extender (see chart below). Vessel measures 123mm (4-7/8 inches) high. Not supplied with bushing.