Rashi on Exodus 38:28/רש"י על שמות ל״ח:כ״ח

1וצפה ראשיהם [HE MADE HOOKS FOR THE COLUMNS] AND OVERLAID THEIR TOPS – the tops of the columns (not of the hooks) with them (the 1775 shekels of silver), for it is said with regard of all of them (the columns of the enclosure as well as of those of the vail at the entrance) (v. 19) “and the overlaying of their chapiters and their fillets were of silver”.