Deck Foot Load PlateThe Deck Foot Load Plate can be purchased separately if you have used the auger to test your soil conditions and you are now ready to build your project with the Deck foot Anchor. Use the standard Convex plate for regular ground contact applications. Use the Flat load plate over paver stones or asphalt. Larger 14x14 plate is useful with posts 7x7 or larger. The Deck Foot Anchor gives you the strength and security similar to a poured concrete footing