Silver: Made Into: Sockets for the Boards of the Tabernacle
Source: TTT
Exodus 26:19, 25, 32
with forty silver bases under the twenty frames—two bases for each frame, one under each tenon. / So there are to be eight frames and sixteen silver bases—two under each frame. / Hang it with gold hooks on four posts of acacia wood, overlaid with gold and standing on four silver bases.
Exodus 36:24, 26, 30, 36
with forty silver bases to put under the twenty frames—two bases for each frame, one under each tenon. / and forty silver bases—two bases under each frame. / So there were eight frames and sixteen silver bases—two under each frame.