Code format is GS-jAn, where j corresponds to a jaw type and n is a base type.
- xA1 modules are the shortest, with a jaw movement of max. 60 mm
- xA2 possess a jaw movement of max. 110 mm
- xA3 possess a jaw movement of max. 60 mm
While xA1 and xA2 modules can be installed in 4 directions on a standard 50x50 M12 platform (0,90,180 or 270 degrees) xA3 modules can be installed in more positions such as 27,45 and 63 degrees in addition to previously mentioned.