PURPOSE: To obtain proper stock and appropriate movement of a number of long objects such as electronic component receiving magazines by providing partition holes for stocking a plurality of long objects in the device body in parallel in a desired spaced relationship and a positioning portion with respect to other devices.

CONSTITUTION: A long object such as a magazine 12 is a long square hollow member for receiving therewithin a number of electronic components 14. The magazine 12 is fitted into and supported by partition square holes 15 formed in the front rear ends of a stock device body 11. The device body 11 has at the bottom central portion thereof a positioning hole 16. The device body 11 is placed on a table plate 18 of, for example, a constant feed mechanism 17, and is positioned by fitting a positioning pin projecting from the table plate 18 into said square hole 17. An automatic electronic components inserting device 19 is used to supply electronic components 14 taken out of the magazine 12 stocked in the device body onto print substrates 20.