Amana Tool 57174 Solid Carbide (Brazed to Steel Shank) Flush Trim Compression 22mm D x 1-9/64 CH x 1/2 Inch SHK w/ Lower Ball Bearing Router Bit

Used for trimming laminate work or for template and pattern work. For template application, the bearing follows the template, while the cutting edge trims the workpiece. With the router handheld, the template is on the bottom of the work. With table-mounted router, the template is on top.