LOCK MITER ROUTER BIT : Carbide tipped freud Lock Miter Router Bits make perfect lock miters on smaller projects like humidors and jewelry boxes. When properly set up, run one piece vertically and the other horizontally for a perfect fit: 99-034 - handles stock 1/2" to 1" thick. 111-320 - handles stock 3/8" to 3/4" thick. Red, non-stick Perma-SHIELD coating means less friction and less resin adhesion. Cut all composition materials, plywood, hardwood and soft wood. Use on CNC and other automatic routers or in a router table with fence. 1/2" shanks. Lifetime manufacturer's warranty. Italy.