DescriptionOur revolutionary LeeLock SL-02 1/2 Lock Unit allows you to to lock the line when you drop the line. This patented unit eliminates the need for a traditional jam or tie off cleat and prevents accidental anchor release.It is constructed of 1/4 aluminum and is anodized to prevent corrosion and keep it looking and functioning perfectly for years. This lock is designed to be used with most 3/8 to 1/2 anchor lines. For ease of installation this lock unithas the samebolt pattern as the traditional jam cleat and easily bolts in its place.Mounts with 2 holes: 1/4 flat head machine screw fasteners (stainless steel recommended) not included.Hassle free, reliable and easy!