Male meter thread
Nut meter thread
Calibre
Fitting to type meter
Ref. Chuchu
With square
6/20
20
G4
3765-090
5/16
10/32
32
G6/G10
3760-092
With handle
3765-091
3760-093
25/50
50
G16
3750-050
40/50
G25