This is an OEM Replacement Part manufactured and branded by All Points
Black Knob W Red Accent [ 2-3/8 Dia ] [Mount .187] [Position U/D], Insert 140 To 425 F Not Included, #A3599, # 221386 Used With: Rotary Dial Shaft # 26-2990 0.173 Flat Width, 0.25 Shaft Dia, 1.76 Oal, 0.080 Dia Hole For Roll Pin # 26-2993 Groove For E Clip Retaining Ring # 26-2994 Cleveland Skillet