2 Chronicles 4:2

Overview - 2 Chronicles 4
The altar of brass.
The molten sea upon twelve oxen.
The ten lavers, candlesticks, and tables.
The courts, and the instruments of brass.
19 The instruments of gold.
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2 Chronicles 4:2  (King James Version)
Also he made a molten sea of ten cubits from brim to brim, round in compass, and five cubits the height thereof; and a line of thirty cubits did compass it round about.

a molten sea
Exodus 30:18-21 ; 1 Kings 7:23 ; Zechariah 13:1 ; Titus 3:5 ; Revelation 7:14

brim to brim
Hebrew his brim to his brim.