Photecs Studio terminal (type 1) Universal Clamp 3/8 "and 1/4" -Gewindeaufnahme, including threaded adapter (Electronics)
Facts: Opening max. 3,785cm, largest internal diameter 4.00 cm - the smallest inner diameter 1,48cm - Minimum opening width = 0 - can also be fixed to a glass plate. The problem only when the terminal is screwed onto a tripod plate, the opening angle