Intermatic | Timer Knob, Intermatic, FF Series, "D" Shaft, Black | 146MT417A | Discontinued In-wall Interval Timer20 amp rating, SPST, no hold. Shipped with brushed aluminum face plate and black knob

Intermatic | Timer Knob, Intermatic, FF Series, Split Shaft, White | 146MT381 | Discontinued In-wall Interval Timer20 amp rating, SPST, no hold. Shipped with brushed aluminum face plate and black knob