To surely open or close a storage part of a tool bit by a simple operation in a hand type power tool (2) having a storage part (16) detachably storing a plurality of tool bits (20).

This hand type power tool comprises a housing (4) with a grip (8) projecting sideward from a drive part (6), a bit holder (22) selectively gripping a using object, namely a tool bit (20), and a storage part (16) detachably storing the plurality of tool bits (20) to a power tool (2). A bridge (10) is projected sideward approximately in parallel to the grip (8) from the drive part (6), and the storage part (16) is formed as a storage part in the bridge (10). At least one cover (24) for opening and closing the storage part (16) is slidably arranged along the bridge (10), and the storage part (16) is sealed from the outside at one end position of the cover (24), and the storage part (16) is released to the outside at the other end position.