Front extension arms and their shears for building demolition - Noor Engineering Group. Front extension arms and their shears for building demolition - Immediate delivery 26-28-30 meters total length of the cranes: 24-26-28 meters and 31 meters. The shear: 2200 kg, jaw opening 91 cm. All review operations and the cabin installation process will be carried out on the machine. The arm and shear are imported and original. There is a full automatic lubrication system and original hydraulic facilities on the arm. Bronze was used in the rotation axes and C4140 pin. The machine is delivered after painting