The OEM Wolf Sub Zero Gas Cooktop Control Knob set of 4 is a high-quality replacement part specifically designed for Wolf cooktops. The red knobs are suitable for cooktops and are 1-5 inches in height. This set includes four knobs that are essential for controlling the temperature settings on your gas cooktop. Ideal for those looking to replace missing or damaged knobs on their Wolf cooktop, these OEM knobs ensure a perfect fit and reliable performance.