...a wiggler, is a spring-loaded (or electrically powered) tool that is assembled on a rotating axis of a mill. While undergoing the edge calibration process, the wiggler is gradually moved towards the side surface of a workpiece until the tool is aligned with the surface. The alignment is indicated by displaced segments of the tool that become synchronized or by lighting a LED light). The center finder is shaped like a pencil (sometimes with a sharp tip), and is used to locate marking on the workpiece. Find the right product for your specific application, shop with Mega Depot!