Ideal for network GPS antenna mounts, the Seco Masonry Mount Adapter boasts great durability. Made of anodized aluminum and stainless steel, this adapter has an easy installation procedure. Surveyors only need to drill three 5/8-inch holes to any desired spot and fill them with epoxy. Plus, this Seco masonry adapter is removable and locks in the azimuth direction. Weighing only 1.4 lbs., the brass rotating adapter is an excellent accessory for your daily construction tasks.