Features: Galvanized steel construction ensures superior rust resistance and windproof stability for swing sets and wooden fences, designed to withstanding heavy outdoor use. Each Spikes features a reinforced zinc plated coating and tapered design for hammering into various soil types while preventing moisture damage. Essential for parent building safe play equipment, gardeners maintaining boundaries, and contractors installing durable outdoor structure. Securely anchors wooden playhouses, garden fences, and children swing sets in lawns, patios, or uneven terrain rainstorms. The thick walled steel with bracing reinforcement maintains structural integrity through seasonal ground shifts and extreme weather conditions. Specifications: Component:Metal Size:Approx.40.3cm/15.86inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 4Pcs Fence Post Anchors Ground Spikes Galvanized steel construction ensures superior rust resistance and windproof stability for swing sets and wooden fences, designed to withstanding heavy outdoor use. Each Spikes features a reinforced zinc plated coating and tapered design for hammering into various soil types while preventing moisture damage. Essential for parent building safe play equipment, gardeners maintaining boundaries, and contractors installing durable outdoor structure. Securely anchors wooden playhouses, garden fences, and children swing sets in lawns, patios, or uneven terrain rainstorms. The thick walled steel with bracing reinforcement maintains structural integrity through seasonal ground shifts and extreme weather conditions.