SeraphinaT Timer Knob Timer Switch Knob Compatiable with knob FD Series Spring

Compatiable Modelstimer knobs are compatiable with FD Series Spring Wound Timers, FD5MW, FD15MWC, FD15MWC, FD30MWC, FD60MWC, FD12HWC, FD2HW FD4HW, FD6HW and more, also fit for older parts 146MT575 and 146MT563A and Woods brand wall timer.Timer Knob SizeThe durable 146MT575 switch timer knob switch knob outer diameter is1 inch, and the unique D-shape shaft is 3/16 inch. Please mind the hole size of your spring wound timer.Package IncludedYou will get 2 pack timer knobs replacement. If you have any issues, please kindly contact us, we are alway here!Easy to InstallThe spring wound timers knobs are easy to replace, easily to install, replace the broken knob rather than replace the entire switch timer. Save money and so convenient for you.High Quality MaterialThese wall timer knobs replacment are made of high quality fireproof plastic. Entend your wall swtich timer life and energy saving.