Handler

A handler comprising:

• a processing unit which processes a device provided in a placement area;
• a first driving unit which moves the processing unit along a movement path reaching the placement area;
• a holding unit allowed to hold the device;
• a crank unit to which the holding unit is attached;
• and
• a second driving unit which moves the holding unit so as to be inside the movement path via the crank unit, wherein
• the crank unit including:
• a first portion to which the holding unit is attached and which extends in a direction intersecting with a direction parallel to the movement path;
• and
• a second portion connected to the first portion and extending from a position connected to the first portion to a side separating from the placement area in the direction parallel to the movement path, and
• the handler is allowed to be in a first posture for causing the holding unit to be located inside the movement path and causing the second portion to be located outside the movement path so as to face the processing unit, and
• the handler is allowed to be in a second posture for causing the processing unit to be located in vicinity of the device provided in the placement area.