Universal Rotary Knob w/ Set Screw

Universal rotary knob with a set screw.  The knob will fit over a shaft size of 1/4" or less.  The knob will include a set screw to tighten the surface of the shaft.  The knob is rubber with a plastic insert, with a chrome ring.  This knob is a great way to make all the knobs in a car match the a/c.  They can be used for choke cables, defrost cables, heater control vavle cables, or any other rotary control. 

The knob is about 15/16" in diameter.