For both a 2X4 and 2X5 frame. This Loadguide attaches to the side frame and can be slid up and down the frame for a finer adjustment and is punched with 5 adjustments holes to move the Loadguide in or out to fit the width of the boat. Loadguide comes with attaching hardware.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov