175E Neo Chrome Manual Shift Knob For 6 Speed Reverse Short Throw 10X1.25 for Mazda Miata Made from SOLID weapons grade 6061 aluminum. THESE KNOBS ARE NOT PAINTED. They are Neo-Chromed for a brilliant finish. Measures in at 50mm (2") overall diameter. Knob weighs in at 5oz Design feels super smooth and ROCK-solid.