Distinguish between "non-lockable" and "passable"

20MM (impassable) padlock (2 keys)

20MM (open through) padlock (1 key)

25MM high-quality (non-open) (2 keys)

25MM (open through) padlock (1 key)

32MM standard (not open) (3 keys)

32MM thickened (not open) (3 keys)

32MM thickened (open through) (1 key)

38MM thickened (not open) (3 keys)

38MM thickened (open through) (1 key)

50MM thickened (not open) (3 keys)

50MM thickened (open through) (1 key)

63MM thickened (not open)(3 keys)

63MM thickened (open through) (1 key)

75MM thickened (not open)(3 keys)

75MM thickened (open through)(1 key)

63MM thickened copper core (not suitable for opening three keys

63MM thickened copper core (compatible with 1 key

75MM thickened copper core (not suitable for opening three keys

75MM thickened copper core (compatible with 1 key

50MM thickened copper core (not suitable for opening three keys)

50MM thickened copper core (compatible with 1 key)