Short transition pieces

Made of Pyrex, SGJ         

                                      female ground joint                       male ground joint

4.674.21                  14/23                                                     19/26

4.674.32                  19/26                                                     24/29

4.674.42                  19/26                                                     29/32

4.674.43                  24/29                                                     29/32

4.674.54                  29/32                                                     34/35

4.674.74                  29/32                                                     45/40

4.674.75                  34/35                                                     45/40

Qty=1