Make center drilling of pen blanks an easy and repeatable process with the DCT Pen Blank Centering Vice – Pen Making Center Finder Tool for Marking Center When Drilling Wood Pen Blanks. This vise vertically holds and centers pen blanks up to 1.5 inches square so it can be drilled with accuracy and ease. Once clamped and centered under the chuck, it is easy to drop in a blank and drill a centered hole. You will appreciate not having to meticulously mark the center on each blank. The support and threaded design makes setting up the jig a simple one-time process. There is no need to change the setup again to center and drill multiple pen blanks. Use this vise with your existing drill press to drill a center hole for the tube before putting the blank on a mandrel for turning on a lathe. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.