This is a stylish peachwood-patterned aluminum round-shaped shift knob. It features a 48mm ball design that fits comfortably in the hand, allowing for secure shifting. 8/10mm adapters are included. Adapter thread sizes: M8 x 1.25 M10 x 1.25 M10 x 1.5 Main body thread size: M12 x 1.25 If you're considering replacing your standard shift knob, regardless of whether you have an automatic or manual transmission, please consider this opportunity.