Arrow Shed AK100 Concrete Anchor Kit EASY TO INSTALL: The Arrow Concrete Anchor Kit is easy to install. Secure your Arrow storage shed to a concrete pad or concrete slab SECURITY: The included lag bolts can be bolted directly to a concrete slab and secures your Arrow storage solution, even in heavy winds MADE IN USA: All Arrow sheds and accessories are made in the United States INCLUDES: (4) steel corner gussets, perimeter clips, lag bolts, and a 1/4" masonry drill bit