Shop for Tools & Hardware at The Home Depot. Keeper's 4-7/16 in. Square, Flip Ring Recessed Anchor bolts securely to surface for safe cargo transport. Keeper is the expert and leader in branded products and services people trust to ensure their personal property is reliably secured, transported, and stored. These well engineered products are the most trusted to provide unique, simple solutions for specific everyday needs, offering reliability, security, safety, and ease of use. Color: Metallics.