Vintage Ford Model A? Spring Loaded Switch. Not sure what it fits or what kind of switch it is, it came in a box of Ford model A stuff. Wood block measures 4" long x 1-3/4" wide x 1" thick. Mounting holes measure 3" center to center. Good condition with some surface rust (as seen in pictures) spring works well. I will Pack with care...ship with Insurance and delivery confirmation for your protection THANK YOU FOR LOOKING.