I was just wondering if Bachmann's steel track pins will work with Lionel O Scale Track.
DG
They look like standard size 'O' pins, so they should work with any 'O' tubular style track, or to get better electrical connectivity than provided by the contacts on old K-Line 'SuperSnap' track. If they're 'O', they'll be too big for O27 track.
Len
They are the same as Lionel O gauge track pins and I use them when I use K-Line snap track. I cut off the connectors on snap track and use the pins and it works great.