With two and a half times the capacity of our Original Dedicated Pen Blank Drilling chuck, this large capacity chuck will let you drill bottle stopper blanks, project handles and more. The chuck features a reversible set of jaws that enables drilling blanks up to 2-1/2" square and 5" long. Use the standard jaw position to drill from 1/4" to 1-1/2" - reverse the jaws to drill from 1-1/2" to 2-1/2".. Weighs only 2 lbs, has a 1" x 8tpi thread. Includes 2 tommy bars to open and close

Compatible Spindle Sizes: 1 X 8tpi Included Jaws: Pen Gripping Category: Pen Blank Drilling Chucks