Replacement knob - fits FD, FF series in-wall spring wound timers.
- Intermatic part number: 146MT577
- Outer Diameter: 1-1/8""; D-shape shaft: 3/16""
- 1 knob included; Color: White
- Genuine Intermatic replacement part
- Press-on knob design ensures quick and easy installation
- Intermatic part number: 146MT577
- Outer Diameter: 1-1/8""; D-shape shaft: 3/16""
- 1 knob included; Color: White
- Genuine Intermatic replacement part
- Press-on knob design ensures quick and easy installation