This rugged 3/8-inch phenolic plate was designed to accept nearly any router, without the use of a “swiss-cheese” style pre-drilled surface. It features an exclusive bottom-up mounting design which makes it easier than ever to get a solid, secure, and 100 percent level routing surface, along with dual reducing rings (2 in. and 1-13/64 in.) which bring template routing to your table top through compatibility with standard Porter-Cable guide bushings. It’s a professional router table insert plate, designed for individuals who can truly tell the difference. Features: * Rugged 3/8-inch phenolic insert plate size (9-1/4 in. x 11-3/4 in. x 3/8 in.) * 3/4-inch corner radius * Exclusive bottom-up mounting design * Dual reducing rings (2 in. and 1-13/64 in.) * Compatible with standard Porter Cable guide bushings * Custom insert plate drilling program available What"s In The Box: * Kreg PRS3030 Precision Router Table Insert * (2) reducing rings (2 in. and 1-13/64 in.) * Detailed mounting instructions