Neon pearl truck shifter knob. 2 1/8" diameter. Built-in 1/2-13 brass threaded insert. Made of ultra durable Partek resin. This  semi truck interior  accessory is made in the USA.

Choose color from drop down menu.

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.