Tournament-grade #8 billiard ball converted to a shift knob: 2 1/4" ROUND BALL of thermoset resin Threadless aluminum mount with sleeve for Ford spline Clamps onto stick via three radial set screws Made in USA by a Hurst supplier Fits the following Ford trucks w/ manual transmission : 1982-2010 F-series including Super Duty 1982-1996 Bronco 1983-2011 Ranger (North America) 1984-1990 Bronco II 1991-2003 Explorer Manual shifters w/ OE splined knob mount only Does NOT FIT older models (threaded mount, see separate listing)