This high-quality neodymium magnet balls set is perfect for use in precast concrete lifting, with ball-head anchors and a non-slip design to ensure secure placement. Made with steel and neodymium, these magnets are durable and reliable, with a color zinc surface treatment for added protection. With a delivery time of just 7 days and the ability to customize products to meet specific needs, this set offers great value, making it the ideal choice for precast concrete factories looking to improve production efficiency.