This shift knob fits all B5 A4/S4, C5 A6, B5 Passat and older Audi/VW vehicles with a 12mm x 1.5 threaded screw on knob, and weighs in at 8 ounces total.
INCLUDES THE FOLLOWING - Weighted delrin shift knob, weighted steel insert (12mm x 1.5 thread fits all A4, S4, A6, Passat and other VW/Audi vehicles with screw on knob), set screw for adjustments, plastic boot spacer, and low strength thread locker.
Got my shipment quickly and this was one of the items. Not much to really say about a shift knob I guess but i personally find this to have greatly increased my daily driving pleasure. Just glides between gears so smooth, who needs a short shifter!