arenbel 4" automatic push button gear shift knob leather covered car lever stick shifter handle fit most auto transmission vehicles, black arenbel product description:</br> the new auto button shift shifter knob makes your car more personality and cool. perfect for the touch, easier to control. </br></br> features: </br> 1. leather material. </br> 2. rubber adapters inner diameter size: 0.32/0.39/0.47in. </br> 3.color:black</br> 4.easy installation, no modification required. </br></br> installation steps: </br> 1. take off the original automatic gear shift knob head first. </br> 2. remove the aluminum alloy cover at the bottom of the shift head. </br> 3. find the black rubber cover in the accessories with the moderate size of the shift bar and install it on the shift bar. </br> 4. turn the small screw on, and then tighten the aluminum alloy. </br> </br> package included: </br> 1 x automatic shifting handle knob</br> 1 x professional wrench</br> 3 x rubber adapters</br> set of hex screws</br></br> note: </br> 1. not suitable for the vehicle reverse gear can't be lifted . </br> 2. not suitable for the vehicle unmovable the original shift knob. </br> 3. if this button shifter is used for manual transmission, it can still be used despite the failure of button function. but the button used in automatic transmission works more well.</br>4.this shift head is not suitable for all cars. if you have any questions, please consult arenbel store before buying.