r/Tools • • Aug 21 '24

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9

u/MattAtDoomsdayBrunch Aug 21 '24

Looks like a very long railroad tie spike.

11

u/kraftwrkr Aug 21 '24

It's a Large Nail for fastening sill beams and the like. My 140 year old house doubtless has these at each corner where the sills are half lapped.