Product review (5 stars): Over-priced but works perfectly
The knob worked and was a good color match. When I bought it, the price was only about $9.00. Now, it runs around $16. That's insane for a little knob.

Initially, I thought the replacement knob stuck out way too far.  I eventually discovered the knobs have a little metal sleeve inside. When the old one broke, its sleeve remained on the shaft and wouldn't let the new knob slide on as far as it should. I pried it off (very easy to do) and the new knob slides on perfectly.