Berean Study Bible (BSB) - Exodus 36:24 >

with forty silver bases to put under the twenty frames—two bases for each frame, one under each tenon.

Jewish Publication Society of America Version (JPS1917) - Exodus 36:24 >

And he made forty sockets of silver under the twenty boards: two sockets under one board for its two tenons, and two sockets under another board for its two tenons.