The characteristics of mushroom anchor: ∴ Gray cast iron ∴ Available coated with aluminum-painted finish, PE coated orblack PVC coated finish ∴ Many sizes are available. Aluminum-painted: 8LB, 10LB, 15LB, 20LB PE coated: 8LB, 10LB, 15LB, 20LB PVC coated: 8LB, 10LB, 15LB, 20LB