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