'Silver Classic' BLACK Top Knob w/washeR, fits all pans from the mid 90's to present. Works in conjunction with 'Silver Classic' BLACK Vent Disc. Also fits some models Electric Skillet & Electric Saucepan made in the mid to late 90's. Also fits 'Traditional' Pans from the 80's & 90's. Please compare item to photo before ordering. Includes Packing, Handling & Postage.