... :ROA+FA Bore:40~125mm Rod:20~80mm Material of cylinder bareel:Carbon steel STKM-13C Pressure:14MPA ;Speed:8~300 ... (mm/sec) RO series oil cylinder, aesthetic appearance, compact design, simple operatiooperation,easy maintenance.design reasonable ... ,woodworker,metallurgy,mechanical mould.quality assuity assurance. ROA series oil cylinder