The opening to each stand inside the crown at the top was one cubit deep, with a round opening like the design of a pedestal, a cubit and a half wide. And around its opening were engravings, but the panels of the stands were square, not round.
KJV
And the mouth of it within the chapiter and above [was] a cubit: but the mouth thereof [was] round [after] the work of the base, a cubit and an half: and also upon the mouth of it [were] gravings with their borders, foursquare, not round.
ASV
And the mouth of it within the capital and above was a cubit: and the mouth thereof was round after the work of a pedestal, a cubit and a half; and also upon the mouth of it were gravings, and their panels were foursquare, not round.