To adapt an article storage rate to a main body installation place in accordance with the volume of articles by making the wires of a movable main body expandable in the longitudinal direction of a main body consisting of a fixed main body and the movable main body.

A main body which is made up of wires 7 consists of a fixed main body 4 and movpable main body 8, the fixed main body 4 is made up of a handle 1 made of a wire 7, a moveable partition 2 and a tubular body into hich the wire 7 can be inserted. The tubular body 3 is a pair of parallel tubular bodies, into each of which the wires 7 are inserted. The handle 5 is made up of a grounding section 51 for detachment and a connecting section 52 for detachment. Wires 7 to be inserted into the tubular body 3 are stopped at an optional position and locked with screw locks, the movable partition 6 and the movable partition 2 are stopped at an optional position and locked for use. Wires 7 inserted into the tubular body 3 are stopped at a position where the movable partition 6 is locked with a screw lock, and the movable partition 2 is stopped at an optional position and locked for use.