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What does an Arrow steel base kit do, and which shed sizes does each kit fit?

The base kit is the frame that goes under the shed. It squares the building, helps you level the site, and keeps the shed and everything in it off the ground.

There are four kits, and each one names the shed sizes it is made for:

  • 4 x 7 and 6 x 5 ft
  • 8 x 6, 10 x 6 and 4 x 10 ft
  • 8 x 8, 10 x 8 and 10 x 9 ft
  • 10 x 12, 10 x 13 and 10 x 14 ft

Match your shed's size to that list rather than to the kit's own frame dimensions, and note that not every Arrow shed size has a kit.