Add a beautiful Ogee profile to the inner edge of mortise and tenon entry doors. This set features a cutting height of 5/8", cutting depth of 5/8" And a traditional Ogee design with 5/16" Radiuses. 1/2" Shanks. Entry door profile router bits allow you to convert thick tongue and Groove doors into rail and stile doors by adding a cope and stick profile to the inside edge of the rails and stiles. These bits are great for custom Door shops that create all their doors as Tongue and Groove and then add the design profile later. The blades are C3 Micro-grain carbide Tipped.