Crock Pot First4spares Glass Lid Knob & Safety Skirt Smart-Pot Slow Cookers (Black) Replacement Glass Lid Knob & Safety Skirt made by First4spares to fit Crock Pot / Smart-Pot Slow Cookers (Black) Fits Models: Most Rival CrockPot and Smart-pot models using round or oval lids.If unsure, please check against gallery images. High quality, heat resistant - fully compatible replacement part.