From Le Creuset, this knob features:  Personalize your cookware with the Black Nickel Knob. With a dark, lustrous grey-black finish and subtle sheen, this sleek and modern cookware addition pairs beautifully with both light and dark colors in the Le Creuset palette.  Nickel Ergonomic design Firm grip Oven safe 500°F Each measure: Medium (2”) fits the following: Round Dutch oven approx.: 2 qt., 3.5 qt. Oval Dutch oven approx.: 2.75 qt., 3.5 qt. Signature saucepan approx.: 2.25 qt., 3.25 qt. Large (2.25”) fits the following: Round dutch oven approx.: 4.5 qt., 5.5 qt., 7.25 qt., 9 qt., 13.25 qt Oval dutch oven approx.: 5 qt., 6.75 qt., 8 qt., 9.5 qt., 15.5 qt. Braiser approx.: 2.25 qt., 3.5 qt., 5 qt. Imported.