The part of the bottle shaped to accommodate a specific closure.

 

Crown Neck
Screw Neck
Buttress Finish

 

 

26,7mm US (GME 30.23; DIN 16066)
28mm PCO 1810 (GME 32.03)
28mm PCO 1881 (GME 32.04)
29/25 (GME 30.26; DIN 16592)
30/25 Low (GME 30.22; DIN 16065)
38 DBJ (GME 30.22; DIN 16065)
38 SWTE (GME 30.22; DIN 16065)
43mm 3 Starts (GME 30.22; DIN 16065)
48/41 (GME 30.22; DIN 16065)
SPI-400 Low (GME 30.22; DIN 16065)
55mm Crown (GME 30.22; DIN 16065)