Overview Reviews Product Description Black round ball with white "8" script on top. Fits 3/8" x 24, 3/8" x 16, 5/16" x 18 Thread Sticks. Contains 3 Adapter Bushings. Product Videos Custom Field Product Reviews Write a Review Write a Review × Pirate Mfg Rat Rod 8 Ball Gear Shift Knob W/Adaptor Kit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *