Neo Chrome Metal Shift Knob For 6 Speed Short Throw Shifter Selector 12X1.75 for Ford Mustang Made from SOLID weapons grade 6061 aluminum. THESE KNOBS ARE NOT PAINTED. They are Neo-Chromed for a brilliant finish. 40mm (1 9/16") Diameter Knob weighs in at 5oz Design feels super smooth and ROCK-solid.