To provide a combination pad lock construction equipped with a new feature capable of practically eliminating the possibility of being illegally unlocked by a picking technique.

A locking bar 22 is housed in a removable manner in a slot (41) formed in a housing (21), a slide shaft (24) in a slot (37), and a rod (27) in a slot (36) in axial direction respectively. On the slide shaft, plural tumblers/ clutch wheels (25) and turning dials (26) are respectively provided in a rotatable manner and with a slight movement possible in the axial direction. At the outside of a tumbler, a plurality of fins (94, 95 and 96) are provided in an unsymmetrical pattern, and when these are all housed in slots (115, 116, 117) of a zone (39) of the slot (37), the combination of figures for unlocking can be reset by turning the dial.