1、WEAR RESISTANT MATERIAL: Aluminium router table insert plate is made of excellent aluminum alloy, sturdy and durable, rust resistant and wear resistant, suitable for long term use on woodworking engraving tables 2、SAVE TIME AND LABOR: Trimming machine is suitable for high accuracy woodworking. The operation is simple, save energy, and make the woodworking work perfect 3、ACCURATE CENTER HOLE: The convenient center hole is designed to align the router so that is centered in the drill hole 4、EASY INSTALLATION: Engraving and milling table inserts facilitate the accurate drilling and installation of any router 5、BEAUTIFUL AND PRACTICAL: Router table with laser engraving scale, surface anodizing treatment, with upgrade hole, backrest with open tenon block