Used bit and adapter. I believe Relton tools are made in USA. The item “USED CBT56 Relton 3 1/2 Thick Wall Core Bit With 18 Spline Adapter S02TL18 1743″ is in sale since Tuesday, May 5, 2020. This item is in the category “Business & Industrial\Light Equipment & Tools\Drills & Hammers\Core Drills & Rigs”. The seller is “klesales80″ and is located in Racine, Wisconsin. This item can be shipped worldwide.