Does your semi truck interior have a patriotic or military Then check this out. Black truck shifter knob with US Army emblem embedded inside. 2-1/8" diameter. Built-in 1/2-13 brass threaded insert. Made of ultra durable Partek resin. Made in the USA.

See more link for Installation Instructions.
Installation requires shifter adaptor. Choose 13/18 Speed Shifter Adapter item 238690 or 9/10 Speed Shifter Adapter item 238691, sold separately.