It features TurnLock technology for mounting and dismounting your router in seconds, without tools and includes two sizes of self-spacing letter and number template sets. Additional resources include a directory of local self-help centers.I've spent hours looking for the best router letter template system. I stumbled on this site and decided to ask the guys who do it most. Perfect Placement: The clear template allows you to see the wood underneath, ensuring you place your template exactly where you want it. When making letters with a router, it's best to use a commercial version of a router template. VERSATILE USE: This template set is perfect for sign making, and the uppercase letters are suitable for creating any message you need to convey, whether it's a warning, instruction, or promotion.