I have lots of boring bits, but nothing this size. He is boring a 26" diameter hole for duct work for a new spray booth. Pretty soon I will be able to safely and professionally apply paint, lacquer and conversion varnish.
On large or especially complex projects, it's often more efficient to send things out to a finisher, or if it's a stain matching job. But having some in-house capability keeps my options open. It's like having a second micro business that has 1 internal customer-Case by Case Cabinets.