Frame It All Series Anchor Joint Raised Garden Kit, 6" X 1", 2-Pack 1&rdquo; Anchor Bracket can be used with any 1&rdquo; Frame It All 5.5&rdquo; high composite raised bed board or 1&rdquo; dimensional lumber Prevents frost-heave Extends 11.5&rdquo; into the ground Durable ABS plastic Attaches to board easily with a screwdriver (hand or power) UV and temperature resistant Five-year warranty