This kit can be built to any dimension smaller than 24'x12' and includes the following:
 
4x   4x4 3 way Connector Jackets
6x   4x4 base plate Connector Jackets
2x    4x4 4 way Connector Jackets
224x    2" Stainless Steel Pan Head combo drive Screws
224x    Plastic washers and Screw caps
 
The openings on 4x4 brackets measure 3.6" x 3.6" and 1.5" for the 2x4 brackets. Every Monkey Bracket is handcrafted in Orlando Florida. The walls are constructed of thick 3/16" Aluminum tubing, powder coated with a black satin finish with a light sheen.  
 
Necessary materials not included
 
Lumber
Stainless steel anchoring hardware for base/wall plates.   The bolts you use will vary depending on your mounting surface material.   If you're unsure what to use, we're happy to assit with recommendations.