Injection molded of UV rated, corrosion resistant material for heavy outdoor use. For use with any light fixture. GARD-N-POSTTM comes in four attractive colors. Molded-in, transparent smoke colored cover for weatherproof while-in-use Resists damage from lawn equipment Colorant runs all the way through the product, so it won't chip like a painted product Ships with a grounded metal bushing installed, ready for a 1/2" NPT fixture installation Streamline design... Resists damage from lawn equipment Colorant runs all the way through the product, so it won't chip like a painted product