The machine tool is mainly used for honing automobile and tractor cylinders with diameters from Ф40 to Ф140 arter boring process. The machine tool is small in size, light in weight. The machine tool proper can be slid longitudinal at will to facilitate operation. The up-and-down reciprocating by hydraulic. Motion of which can be adjusted randomly. Honing process can be carried out arter the cylinder block to be honed is placed on the worktable, abjusted to centre position and secured.