Durable, corrosion-resistant dock cleat is protected against UV rays. Constructed from injection-molded nylon, this cost-effective cleat is ideal for use in marine environments. Open-base cleat is designed with a molded-in recess in the base that provides a more watertight seal. Easy to install. Uses #10 FH fasteners. 5"L x 1-1/16"H. 1-7/16" in between mounting holes.