• Reduction adapter, made of high quality, borosilicate glass
• Socket size: 19/26
• Cone Size: 24/29
• Measures 3.25" tall and approximately 1.2" wide

Adapter receiver made of high quality, borosilicate glass. 19/26 socket size, 24/29 cone size. Measures 3.25" tall and is approximately 1.2" wide. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C