Big Horn 19802 Aluminum Miter T-Track - For Standard 3/4" x 3/8" Miter Gauges - 48-Inch Accepts standard 3/4" x 3/8" miter gauges, with or without T-roller Build fixtures for your work bench, table saw, router table, drill press and more Perfect for building custom router tables | V-notched for fast and easy mounting Extruded aluminum for extra durability Predrilled, centered mounting holes for convenient, simple installation