The JR Products Switch Base and Face Plate can be used with any of our 1.120" x 0.547" switches to create an assortment of assemblies or to simply replace damaged or discolored units found in your current applications. Made of durable polypropylene, they will withstand most heat and cold situations and are easy to keep clean. Switch Cutout: 1.125” x 0.550”. Outside Diameter: 4.875" x 3.750”.