I wasn't sure where to post this, but thought maybe a few teams would use it.
We are building an off-season drive train and were trying to find a way to drill aligned bearing holes through box extrusion easily. After trying a few standard hole saw sizes (1-1/8" & 1-1/16") that were either too large or not large enough, I found this item on Amazon:
Link
After drilling a few holes tonight, we hit very close to 1.125" for our hole size. For 7 bucks I think this could be an inexpensive solution for a lot of teams out there that don't have the money or resources to invest in expensive hole drilling options. Plus they ship via Prime!