Gear Stick Knobs Crystal Car Manual Crystal Transparent Bubble Gear Shift Knob Gear Shifter Head(15CM, Manual, Blue). It helps to exert leverage in the transfer process, high-quality aluminum manual shift knob, compatible with most vehicles with spiral shift knob. Convenient operation: Manufactured according to strict original standards, easy and quick to install, just remove the worn parts and put on new ones. Brand new dust cover for shift knob.