Kennedy: GP13 T-Nut Double Bolt Type To suit Howa and Kitagawa power chucks. D = Slot Width MPN: 5036140350212 EAN: 5036140350212 GP13 T-Nut Attributes: Bolt Size: M16 X 35 Chuck Diameter: 315mm Height: 28 MFR Part No.: GP13 Slot Width: 21