hook-head wrench 1petrol engine type HondaGX200 2engine rated poweraa 4. ... very high reputation. JGB-20 typeEngine driven hook-head wrenchManualone,Applying scope It's suitable for installing ... replacing operation.B. main technical parameter1,petrol engine type HondaGX2002,engine rated power: 4.8kw3,engine rev ... .: 3600r/min 4,rated thrust: 20KN5,top head QTY.: 26,working efficiency: ≤4sec/one piece7, ...