we can produce every kind of ground screw as you request we are capable of producing different kinds of screws to meet different applications. From securing garden umbrellas, windy dryers and fences to carport,flag poles and traffic signsmaterial: ISO 630 Fe A/ DIN EN 10025 Fe360BSurface Finished: E. Galv. / color coatedSize: 3/4"x6"x48" 3/4"x8"x48" 3/4"x8"x60" etc. earth anchor