All sections of the mast mounting are made of stainless stainless steel (V2A), solid implementation, for mast diameter 34-65 mm, boom diameter 20 mm. Technical data: V2A-Montageplatte, power 4mm, mounting at the mast by means of clips on M8 thread, mounting of the boom up to 20 mm, Gegenschelle on M8 thread. (when mounting assembling V2A-M8 contains nuts, V2A-U disks) frame in mm (LxBxH): 100 x 100 x 95 weight: about 900 gramme.