M10X1.5 M10X1.25 M12X1.25 Thread Shift Knob Boot Retainer Adapter Specification: Color:Black Material:Aluminum Thread pitch: M10*1.25/M10*1.5/M12*1.25 Fitment: M10x1.5 : Suitable for most series of Honda cars M10x1.25 : Suitable for most series of Mitsubishi Mazda Nissan cars M12x1.25 : Apply to most series of Subaru Toyota Ford cars Feature: 1.Made from aircraft grade billet aluminum, these shift boot adapters clean up the transition between any aftermarket shift knob. 2.The shift boot adapter is meant to be used on MANUAL Gear Shifter Lever transmisson (only). 3.Takes up the space between the bottom of your shift knob and the top of your shift boot for a nice aesthetically pleasing affect Installs in seconds. 4.Keep your shift lever looking clean with this piece. Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2.All size are measured by hand, Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm).