... /minSPECIFICAITONS Hole dia. (mm)300, 500, 1000Hole depth (m)200-400, 50-100, 25-50Hole dip angle (°):360Swivel Head (when power ... .82, 1.53, 2.16, 3.13Wire rope dia. (mm)15.5Drum capacity (four layer, m)52Retraction device stroke (m)400Power ...