Exodus 39:9 KJV
It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being doubled.
Exodus 39:9, King James Version
In context
8 And he made the breastplate of cunning work, like the work of the ephod; of gold, blue, and purple, and scarlet, and fine twined linen.
9 It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being doubled.
10 And they set in it four rows of stones: the first row was a sardius, a topaz, and a carbuncle: this was the first row.