The Chrome Thread-On Skull Gearshift Knob with 9/10 Speed Adapter is a practical and stylish addition to any vehicle. With its chrome plated finish and intricate skull and skeletal hand design, it adds a unique touch to your gearshift. Made from durable zinc/aluminum casting and featuring machined 1/2 inch-13 threads, this gearshift knob is built to last. The 9/10 speed adapter allows for compatibility with most 9/10 shifters. Additionally, the removable thread lock prevents loosening of the shift, ensuring a secure and reliable grip. Please note that this gearshift knob is not compatible with models equipped with D-shape shift knobs.