does anyone have this? one of my friends wants it for her gsr but we can't figure out if it is threaded or held on by the st00pad allen thingies.

h:
i told her to just get skunk 2 but she's being difficult about it.
a lil help pwease? :happysad:
link to said knob. --v
http://www.inlinefour.com/raztypcar.html