VTG Delta-Milwaukee-Rockwell 10″ 34-740 Front & Rear Guide Rails 1″ Diameter

If it matters rails were removed from a 22″ table top. 5-1/4″, 12-5/8″, 20″ and 27-1/4″ Item is marked with inventory number D2D2178A. If you do not have a manual you can google the model number and usually find a manual to download or check Sears manuals.