<p>A filing instrument, comprising an operating member (18) having a pair of operating pieces (30) and (32) to which a plurality of filing rods (12) and (14) are fitted at a specified interval and a holding member (16) holding the operating member (18) in a holding space in the closed state of the plurality of filing rods (12) and (14) from the opened state thereof. Projected parts (30c) and (32c) passed through through-holes (26) and (28) formed in the holding member (16) are formed on the pair of operating pieces (30) and (32), and the pair of operating pieces (30) and (32) are held on the holding member (16) so as to be able to rotate the filing rods (12) and (14) in opening/closing directions in the state of the projected parts (30c) and (32c) passed through the through-holes (26) and (28).</p>
