Steadfast Auto 10046 Ford Compatible Billet Aluminum A/C Knobs Chrome, Replacement For Ford F-350 Precision CNC Machined 6061 Billet Aluminum Triple Chrome Plated and polished to a long-lasting durable finish Direct fit replacement for ugly plastic factory HVAC knobs Includes knobs for Fan Speed, Temperature, and AC/Heat/Vent/Defrost selector controls Full 1 Year Warranty against defect in the product or workmanship of the product