Front extension arms for building demolition and their shears - Noor Engineering Group. Front extension arms for building demolition and their shears - Immediate delivery 26-28-30 meters total length of the arms: 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 on the arm and the original hydraulic fittings are present. Bronze was used in the rotation axes and C4140 pin. The machine is delivered after painting