A router table top is a key component of a woodworking tool known as a router table. The router table serves as a platform for mounting a handheld router upside down, with the router bit protruding through the table's surface. This setup allows the woodworker to perform various routing operations more safely, accurately, and efficiently. The router table top is typically a flat, smooth, and rigid surface made from materials like high-density fiberboard (HDF), medium-density fiberboard (MDF), phenolic, or even laminated plywood. It provides a stable base for the router and workpieces during routing tasks.