Sturdy magnetic mounting Four magnetic mounting heads provide strong holding power. Each head can hold up to 50 pounds, for a total vertical hold force of 200 pounds. This design helps keep your antenna stable on RVs, houseboats, and other metal surfaces. No drill installation Drill mounting for hassle setup. Assemble the mount and place it gently on the roof or any iron surface to create a reliable fixing point. Suitable for both temporary and permanent installations. Stainless steel construction Made from stainless steel to withstand harsh weather conditions. Resistant to rust and wear, delivering longlasting performance whether you are on the road or at home. Use scenarios On an RV roof to secure an antenna during travel. On a houseboat deck to hold a marine antenna. On a metal trailer or service vehicle for temporary outdoor installations. Compatibility and performance Designed to support antenna mounting on metal surfaces with a strong 200 lb total hold. Easy to reposition or remove as needed without drilling.