Infinity Cutting Tools 1/2" Shank, Extended Tenon Cutter for 15° Shaker Interior & Exterior Door Router Bit Set, 1-1/4" C.D. x 3/4" C.H.| Carbide Tip | Heavy-Duty | For Handheld Or Table Mounted Wood Router

Building interior or exterior doors has never been easier than with the help of these 2-piece Door Making router bit sets. Building a 1-3/8" thick interior, or 1-3/4" thick exterior facing door has never been easier. With the help of these 2-piece Door Making router bit sets, you'll be able to make the rails and stiles necessary to make solid wood doors for your very own home. Each Infinity Tools Entry & Passage Door Rail and Stile set includes two router bits. Use the included 1/4" kerf slot cutter to increase the width of the tongue and groove from 1/4" for interior doors to 1/2" thick for exterior doors.

• Award-Winning Router bits and router bit sets, offered in 1/4", 1/2" and 8mm shanks
• C.N.C. machined bodies from solid high strength steel bars, we do not use castings!
• Multi-Axis automated carbide grinding for ultimate sharpness and life
• Induction brazing ensures the strongest bond between carbide tips and steel bodies
• Silver non-stick coating delivers years of trouble-free service and easy maintenance