PSI Woodworking Products CSCPENCHK Dedicated Pen Drilling Lathe Chuck Description Drill a perfectly centered hole in your pen blank directly on your lathe. Thread chuck onto your lathe's headstock spindle. Mount a drill bit in a drill chuck in your lathe's tailstock. Advance drill bit into blank while lathe is spinning. Chuck is pre-threaded to 1" x 8tpi. Weighs 1. 2 lbs. Diameter 2. 5". Chuck will secure blanks up to 1" square x 4" long. Dedicated jaws are 2" long. Includes (2) tightening levers to open and close the chuck jaws. Features: Chuck weighs 1.2 lbs., and is 2.5" in diameter. The jaws will secure blanks up to 1" across, and 4" long. The chuck is pre threaded to 1" x 8 tpi to match your spindle. Includes two tommy bars to tighten and loosen the jaws. Product Details: Brand: PSI Woodworking Item Weight: 1.15 Pounds Included Components: Chuck Body;Drilling Jaws(2);Tightening Bars(2) Manufacturer: ‎PSI Woodworking Part Number: ‎CSCPENCHK Item Weight: ‎1.15 pounds Product Dimensions: ‎4 x 3 x 3 inches Item model number: ‎CSCPENCHK Is Discontinued By Manufacturer: ‎No Size: ‎Standard Capacity Item Package Quantity: ‎1 Included Components: ‎Chuck Body;Drilling Jaws(2);Tightening Bars(2) Batteries Included?: ‎No Batteries Required?: ‎No Warranty Description: ‎2 Years Under Normal Use Date First Available: December 11, 2012