The only feather board that comes with all hardware necessary for any router table or table saw. 5/8" and 3/4" metal miter bars. Unique split rail construction provides maximum hold. 2 sizes fit standard miter slots. (2) 1/4" T-track bolts included. Dual slide motion for quick and easy set up. Unique pre-loaded tension design for consistent tension. S-style knobs prevent over tightening and provides nonslip removal. High-visibility yellow - easily located in a busy shop.