feature: 100% and high quality classic and cool design durable, comfortable, very easy to install good replacement for old gear shift knob, give a new look of your car specification: 100% material: aluminium alloy color: black, blue, red size: approx. 8x4 cm 3.15x1.57 inch thread adapter diameter: approx. 8mm0.31 inch,10mm0.39 inch, 12mm0.47 inch 2. suitable for most of auto car manual gear shift knob,such as acura, infiniti, volkswagen, toyota, subaru, ferrari, ford, , chevrolet, honda, mazda, mitsubishi, nissan, audi, austin, austin healey, ac cobra, alfa romeo, aston martin, daewoo, daihatsu, datsun, dodge, eagle, buick, cadillac, chrysler, citroen etc. installation: remove the original gear knobshifter and place the gear knob directly over the shifter, please note take the right size of installing adapter to make it fasten. package includes: 1 x manual gear shift knob 3 x installing adapters 8/10/12 mm