This is a 3/4 Boring Head w/ R8 Shank. Distance Between Hole Centers: 15/16. Comes exactly as shown in pictures. The item "CRITERION 3/4 BORING HEAD #DBL-203 with R8 SHANK" is in sale since Monday, November 23, 2020. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "xpresstoolsinc" and is located in Covina, California. This item can be shipped to United States.