sgo77The Group of 77 (G77) at the United Nations (UN) is a coalition of developing countries, desned to promote its members' collective economic interests and create an enhanced jointMechanical Properties blocking torque M B 20 N cm max. vertical load F N 5 N lateral torque M R 1.2 N m positioner dimension 50 x 50 x 17 mm 3 center of rotation 77.5 mm weht 140 g