Kennedy: GP11 T-Nut Double Bolt Type To suit Howa and Kitagawa power chucks. D = Slot Width MPN: 5036140350205 EAN: 5036140350205 GP11 T-Nut Attributes: Bolt Size: M12 X 30 Chuck Diameter: 250mm Height: 21.5 MFR Part No.: GP11 Slot Width: 16