Exodus 39:9 in the King James Version
It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being doubled.
Context
8 He made the breastplate, the work of a skillful workman, like the work of the ephod: of gold, of blue, purple, scarlet, and fine twined linen.
9 It was square. They made the breastplate double. Its length was a span, and its width a span, being double.
10 They set in it four rows of stones. A row of ruby, topaz, and beryl was the first row;