►Convert your RC2 Clamp to ARCA / RRS Compatible (clamp is not Included) ►Includes DBOSS-1. Male Boss Adapter ►Includes DBOSS-2. Female Boss Adapter ►Includes 6mm to 3/8"Convertor Screw ►Includes 6mm Screw.(25mm in length) & Allen Wrench ►Works with all Desmond, Leofoto and Sunwayfoto clamps.