4" x 40" Red Earth Anchor. Screw In Earth Anchor. Use to secure tents, canopies, awnings, fencing, playground equipment, carports, gazebos, portable sheds and more. Can also be used to rope off areas. Welded base screw digs into all soil types. Easy Installation â twist Auger into ground and tie off to eyelet. Not for use on manufactured homes. Type: Single, Overall Length: 40", Diameter: 4", Helix Diameter: 9/64", Material: Steel, Finish: Powder coated red paint.