Glenn R Loma Linda , CA November 10, 2019 Appliance: Model KITCHEN AID GAS COOKTOP, 30 YEARS OLD Broken knob Got new knobs. Last time I ordered the wrong ones and had to re-order the right ones. I looked in my old email to find the right knobs (the ones with the really long stems) Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes