Secure your outdoor items with this 4 pack screw in ground anchor set designed for trampolines tents canopies carports swing sets and other yard equipment Each 15 inch ground anchor features a full spiral blade design to help increase soil contact and provide a firm hold in stable ground The black coated metal construction helps improve outdoor durability and weather resistance for repeated use in yards lawns campsites and garden areas The set includes 4 ground anchors and 1 nut driver drill adapter for easier installation Use a metal rod through the anchor eye for manual installation or connect the included adapter to a power drill for faster setup The spiral design helps the anchor drive into soil more smoothly while keeping outdoor equipment more stable in windy conditions For best results install in firm soil and avoid rocky ground heavily rooted areas or loose sand