Adapter Expansion, Socket size 40/38, Cone size 24/29, Each

Details:

Expansion adapter made of heavy duty, borosilicate 3.3 glass. Socket size: 40/38. Cone size: 24/29. Adapter measures 4.4" in total length and 1.75" in total width. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.