The Bike-It Mammoth Flip Ground Anchor is a uniquely designed bolt-in ground anchor using a heavy-duty steel plate that bolts into concrete surfaces.Suitable for indoor or outdoor useAnchor loop folds flat when not in useNeat plastic housing fits over anchorThe Bike-It Mammoth Flip Ground Anchor has a heavy-duty Steel plate which bolts into concrete surfaces to provide high quality protection. There is a neat plastic housing which fits over the anchor.This Ground Anchor is suitable for indoor and outdoor use, and the anchor loop folds down flat for when not in use.