Clearance Stock Gear Knob 68-79 CLEARANCE ITEM £4.50 Quantity: at £4.50 each Add To Basket Gear knob to fit 68-79 Baywindow, 12mm thread. This is a cheap clearance item. They came in a kit we purchased, but they're not the original style, and we can't send them back. These do the job, and are cheap enough. They'll work if you want something a bit different, and bigger than the standard size gearknob.