Fiber Optic Remote Control Switch Button For Waste Disposer - Satin Nickel - Replaces Waste King FOS-4017-SN On/Off Fiber Optic Controller for Garbage Disposer Installs in 5 minutes to your countertop, sink or cabinetry. Perfect for use with an island too. Conveniently operates the disposer with a simple press of a button. Has no wiring connections or cod Requires a 3/8" drill hole. For use with Fiber Optic Disposer Switch Controller-Base Unit -SX921