Hand tool comprises a striking unit (12a) with a hammer piston (14a) having a contact point (16a) and an active base surface (20a) forming an axial distance (28a). Preferred Features: The contact point and the active base surface have an axial distance which has at least the whole switching path length (26a) and/or at least 30% of the guide length (30a) of the striking tool (32a).
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