Corner Anchor Joints make building raised garden beds easy! They"re a simple tool to anchor down raised garden beds and garden borders, even in the harshest climates. Gardeners just drive the barbed stake into the ground, and it stays put! The brackets secure garden border planks to create an enclosure or landscape edging. 10.25" in-ground depth. Each kit contains two anchor stakes, four brackets, two caps, and hardware. Made of high-quality, temperature-resistant recycled ABS plastic.