William T Goshen , NY March 11, 2019 Numbers were rubbed off the stove burner control knobs No brainer; pull off the old knobs, put on the new. Just be sure to check, before you order the replacements, whether your controls have "D" shaped stems or "8" shaped stems. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes