The 49mm steering wheel, 115mm overall length, red paint gear pattern, and other knob shapes that were once used in some Ferraris follow the geometry.
Integrated shank and ball made of anodized gray aluminum.
Easy to install with a hex wrench.
Grooves on the bottom make it easy to put on the gaiter.
On June 2018 and newer vehicles, the knob threads directly onto the gearbox rod without a central thread. This knob can be adjusted by changing the knob rod (such as using bonalume) or by securing it with putty.