Blue/Purple Bubble Shift Knob For Auto/Automatic Throw Gear Shifter 8" 8X1.25 for Toyota Tundra Made from high grade acrylic THESE KNOBS ARE NOT PAINTED. Maintains color and shine for a long time to come. Weighted at 284g (10oz) for increased positive shift. Starts at 43.5mm (1.71") and tapers down to 34.2mm (1.34") at the base. This drift knob is 200mm (7.9" long)