Black 8 Ball Billiard Round Shift Knob Acrylic Manual Gear Shift Knob ShifterBlack 8 Ball Billiard Round Shift Knob Acrylic Manual Gear Shift Knob ShifterFeatures :Type : shift knobMaterial : AcrylicUniversal Manual Transmission No.8 Billiard Ball Custom Gear Shifter Shift Knob.Best replacement for the worn or orginal Gear Shift Knob. Durable, easy to install, no modification is required.For :All car Manual Transmission (MT) and Automatic Transmission (AT) without lock button.Installation tips :1, Remove the original car gear shift knob.2, Take Plastic adapters suitable size For shift knob.3, Put The gear head into the shift knob.4, The gear head directly set into the shift knob rod.Package Includes :1 x Shift Knob3 x Thread AdaptersThread size is M12x1.25, 3 threading copper adapters are available:M8x1.25 M10x1.5 M10x1.25.Please allow some errors in the size, thank you