 And then you'd have the bigger bats, like a C-243 would be a thicker barrel and a skinny knob. Here comes the 1-2, and it's down and away, two balls, two strikes. The numbers that Jeff is talking about are the numbers of a player's bat. When you call Louisville Slugger, if you did, or Adirondack, whoever you were using at that time, that's what you would do.