is 3 bit Ogee entry door router bits set can cut rails and stiles between 1-3/4" and 1-3/8" thick. The cutting depth is 1/2" and the shank diameter is 1/2". create extra strong entry and passage doors with the extended tenon entry door router bit set. Aside from the standard rail and stile bits that are included in all entry door sets, this set comes with an additional bit that allows you to create larger Tenons and then cope the profile to match the stile. These bits are very large and robust. A sturdy setup is strongly recommended.