Check the listing for details. WOODRIVER Guide Rail 4' x 8' Kit. Condition: New. Listed at 122.38 USD. NEW, WOODRIVER Guide Rail 4' x 8' Kit, 150006, Two 56" Guide Rail components feature heavy-duty aluminum extrusions, Guide rail component has a 2-1/8" x 1/2" profile with integral 1/4" T-tracks, Guide rail connector locks together multiple guide rails to form a continuous guide, Clamps swivel about the “T” shaped anchor at any angle, This system will allow you to place a tool guide for ripping, crosscutting or routing at an acute angle on any size panel. 56" Guide rail component features same heavy-duty aluminum extrusion used in the WoodRiver clamp guides. Guide rail component has 2-1/8" x 1/2" profile with integral 1/4" T-tracks. Guide rail connector locks together multiple guide rails to form a continuous guide for your circular saw or router across any length material. Guide rail.