ShelterLogic ShelterAuger 4-Piece 30-Inch Reusable Heavy Duty Steel Earth Auger Anchor Kit with 4 Clamp-on Wire Tie-downs for Anchoring Shelters, Canopies, and Instant Garages BUILT TO LAST: Constructed of heavy duty powder-coated steel to prevent rust and corrosion and can be reused . INNOVATIVE DESIGN: Corkscrew spiral design helps to spin easier in the ground and provides a strong bond once it's in place to secure your shelter, large canopy, instant garage, or RV storage tent INSTALLATION: A cranking tool, metal rod, or steel pipe is required to insert through the eyehole to spin. To remove, unscrew the anchors RECOMMENDATION: Manufacturer recommends one anchor per leg for maximum hold and stability INCLUDES: (4) 30-inch earth augers, (4) clamp-on wire tie-downs