Wellco's premium ground anchor features a full-spiral blade design for effortless insertion into the ground, with its 15-inch length ensuring deep penetration for superior load-bearing capacity and exceptional stability. Constructed from durable iron with a protective black paint coating to resist rust and corrosion, these anchors are built to last through years of outdoor use. Designed for ultimate convenience, they can be easily installed using a power drill (with included drill sleeve), the provided T-wrench, or other common tools, making them ideal for securing various outdoor structures like trampolines, tents, swings, gazebos, dog runs, canopies, garden sheds, and carports - each complete set includes 4 anchors, 1 short T-wrench, and 1 drill sleeve adapter to meet all your anchoring needs. Material: Metal.