It includes that planing tool (41) is arranged on the first base portion (20) and the plane (1) of the second base portion (30,31) is configurable that a kind of hand planer (1), which is provided, for workpiece surface of planishing, so that it can be with hand along the thickness for leaving workpiece along the surface of workpiece and planing tool planing with first (20) and the second (30,31) bottom guide surface (1) with first base (20) guidance of workpiece surface, wherein(30, (41) 0 base portion is that adjustable base to move between its removable or position of at least part (41) 1 at least one, provide a kind of operable elongate structure and a position, operable shortening structure is provided, so that reducing or eliminating shortening structure and elongate structure in the workpiece surface of one section of adjustable base guidance contact.
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