Extractor: 3 arm hydraulic - heavy duty Due to a hydraulic cylinder, this puller reaches a pulling force of 15 t with a stroke of approx. 12 mm Hydraulic spindle male thread: G1" x 11 x 170 (complete length 452 mm) 4528K: Set of 3 spare arms 4528/B: Spare body 4533HP/S: Spare male hydraulic spindle