This CHAMPRO Ground Anchor is a replacement piece that helps secure in-ground bases in place and prevents undesired movement. Its metal construction creates a long-lasting anchor that endures rough use. Easy installation means you can connect bases designed for in-ground use to the diamond with no hassle. It's designed for compatibility with CHAMPRO bases B001, B002, B003, B004, B072, B073, B075, and B076. Sold individually; receive a single ground anchor in each order.