This Chrome Plated Die-Cast Aluminum Skull Thread-On Shift Knob is a high-quality accessory for your vehicle. Made of durable die-cast aluminum with triple chrome plating, it is designed to fit UP70589B Shift Knob Adaptor and may also fit other 1/2-13 thread adaptors. The 1/2-13 inside thread ensures a secure fit. Sold individually, this shift knob adds a unique touch to your car's interior. Its sleek design and practicality make it a must-have for any car enthusiast.