fscobb or blox

Cobb Shift Knob: Lightweight, 112g. Delrim with red trim. 40 Shipped. Blox Limited Edition Shift Knob: Heavy, 490g. Mirror/Polish. 35 Shipped. Neither show any signs of wear. In fact, the cobb is less than a month old. The blox was used for no more than 3 days. I prefer lighter knobs! Please...