The "Base Plate Round" is designed as an accessory. It's already included in the "ClampMan Probe" (CLM-1050), "ClampMan Light" (CLM-1060), the "ClampMan Light ISO" (CLM-1080), the "ClampMan Midi" (CLM-2000) and the "ClampMan Midi Plus" (CLM-2001).

It's able to carry a maximum mix of 4 joint stands ( 104352 and 106327 ) and has a weight of about 3kg.