Pool ball shift knob. $7.50 each or 2 for $12 + shipping. The 3 ball is threaded for stock 1968-1979 Beetle shifters (12mm). The 1, 2, and 11 balls are threaded for stock 1962-1967 Beetle shifters (7mm). I could re-thread these for the larger 12mm shifter upon request. _________________ I don't receive PayPal payments. Cash, Money Order or cashier's check accepted.