Subject: Gear knob Diagram: 6-speed Car: Opel Vectra C , production year: 2002-2008 Opel Signum , production year: 2003-2008 Color: black, chrome-colored diagram Manufacturer: replacement Technical condition: the item is brand NEW, unused, undamaged, and pristine Note! The knob is designed for a gear stick with an outer diameter of 12 mm