The vice is the main part of the "ClampMan Light" (CLM-1060) and the ClampMan Light "ISO" (CLM-1080) mounted on top of a 400mm joint stand (106327). It's designed as an accessory tool.
So you are also able to mount it on a joint stand 300mm (104352) or in addition with the "QC-adapter base" (104500) onto the traverse of the "ClampMan Classic" for example.
The maximum width of the clamp is specified to 83mm.