... efficiency, reliable operation in harsh working conditions. This radio remote grab,remote grab,remote control grab,hydraulic grab used for grabing goods.It ... diameter 880mm Grab the head: material 16Mn,euipped with two wheels(dia. 880mm)Pole:material 16Mn,specifications:160 mm× ... 160 mmUnder Bearing Beam:material 16Mn,euipped with two wheels(dia. 880mm)Pulley:material 16Mn,hot, grooved surface ...