Innovative Design Specially designed to firmly fit 2 x 4 lumber for a sturdier rack construction. No Tools Assembly Tool free easy set up and take down. Cut 2 x 4 lumber to your desired length. Fully adjustable design. Impact Resistant Polymer Tough and durable, our brackets are molded ABS plastic that will not rust, corrode, crack or peel and really holds up to the elements. Purchase 2' x 4' Lumber 6 2' x 4' lumber cut to desired length is required to use Firewood Rack Brackets. Adjust the length and height of your firewood rack with a Firewood Rack Bracket Kit. Made with a durable, molded ABS plastic that is tough enough to withstand corrosion, cracking, and peeling from any kind of weather. This is a tool free assembly where all that is required is 6 2'x 4' lumber purchased seperately and cut to your desired length to organize and store wood.