Feature

●Solid Cone Stopper
●Penny Head
●Size 19/26 joint
●Made of high quality borosilicate glass

Description

Solid Cone Stopper Penny Head Size 19/26 joint Made of high quality borosilicate glass Solid cone stopper with penny head. Joint size 19/26. Made of high quality borosilicate glass. 2.25" tall. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515Â°C | Annealing Point 565Â°C | Softening Point 820Â°C.