From Rowlinson
Built for use on any Shelterlogic fabric covered sheds, instant garages or storage shelters, the Easy Hook Anchoring System works well wherever you plan to install your shelter. Key Features: Made of solid steel and heavy-gauge wrapped wire, Easy Hook works in grass, rocky soil, gravel or asphalt Full kit includes Easy Hook Anchors, drive rod and hardware tie-down Proper anchoring of your shelter is mandatory