Ground Anchor hold the walls and posts of outdoor structures to the ground without a foundation or concrete-filled post holes.Helical Ground Anchor commonly are used to hole down sheds,decks,sunrooms and other outdoor additions. Ground Screw Anchor made of S 235 carbon steel.with powder coated treatment or high dip galvanized treatment. the helix Ground Pile Anchor with many advantage ,no digging ,no concrete ,no waste time ,easy to install ,better for tent ,garden ,flag ,tree . Specification of Earth Anchor as bellow: Ground Anchor Ground Auger/Helix Screw Anchor/Pile Anchor Height 50 cm/80 cm/100 cm/120 cm Thickness 12 mm/14 mm Helix 10 cm/14 cm/18 cm Helix Thickness 2 mm/2.5 mm/3.0 mm/4.0 mm