An extension ladder provides the easiest, most convenient way to reach high areas around the jobsite or home. The WERNER X300000 Extension Ladder Walk Thru helps to provide a safe and easy transition from the extension ladder to a secondary surface. Designed to easily attach over the top of an extension ladder and requires no drilling, bolting or tools to hold securely in place. The Extension Ladder Walk Thru has enhanced stability with a dual clamping system that locks the rail extensions onto ladder rails. The Walk Thru also has a wide base which provides additional contact area on the work surface while transitioning. Stay compliant on the jobsite, this Extension Ladder Walk Thru meets compliance standards OSHA 1910 and 1926. Fully compatible with WERNER Extension ladders from Type II to Special Duty Type IAA.