Use good quality Aluminum alloy, abrasion and corrosion resistant.
Features: 5 Pcs, Internal pitch size M12x1.25,M10x1.25,M8x1.25,M10x1.5,M14x1.5, outside pitch sizes M18x1.5 meet the shift knob installation and have a spare, easy to replace and next installation
Function: Multiple sizes to meet your shift knob size, compatible with more styles of shift knobs, widely used for most 5 6 speed manual automatic shift knobs.
Installation: Simplifies installation without modification, cutting or drilling. Smooth, clean threads make installation effortless