@GB Features: brand new and high quality Made from high quality durable resin, for manual short throw gear shifter gear shift knob shank. Custom shift knob raplacement for most car, good for manual or automatic transmission speed shifter knob. Crystal shift knob itself thread size is m12x1.25,with 3 threading copper adapters:M8x1.25 M10x1.5 M10x1.25. Never bottom out the shift knob on the shifter when tightening. Bottoming out may break the knob. Super shift knob is your for best buy car gift for funny car tuning accessories. Specifications: Material:Resin Size:As Picture Shown Type A:Approx.10cm/3.94inches Type B:Approx.15cm/5.91inches Type C:Approx.20cm/7.87inches Model: 3 Converters The color of the flower is random, and the specifications of the D converter are 8x1.25, 10x1.25, 10x1.5 Package Includes: 1x Shifter Knob Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.