Bumper Weight Tanner, AL $225

Is this one thicker than other bumper weights I've seen. How many different types were there? Were their different weight amounts, too?

https://huntsville.craigslist.org/pts/d/original-jeep-farm-weight/6754949285.html

"Original front Jeep weight. Was told it is for a CJ2A, CJ3A farm jeep. Weighs app 285 lbs. Good original cond. No cracks, breaks or welds. 225.00
No TEXT or Emails."