Hi, Up for sale today is this very cool southwest cactus sink. meas. 20 5/8" by 16 1/2", drain hole is 1 5/8" dia. underneath of lip to bottom of drain hole is 6 5/8". Overflow drain down side is approx.  2 3/4" wide. I have given you many pictures for your inspection. nice shape ready to be enjoyed. Any questions feel free!! Thanks for looking!!