two(2) each 3-D Cabinet Assembly Setup Squares plus four(4) each Bessey clamps Ensures accurate & reliable square cabinet sections Its sections are made of 3/16" thick rolled aluminum, which are CNC machined to within 0.002" at the end of the 6" legs This is greater accuracy than an engineer's square. Made in the United States The Bessey clamps are great for this and many other operations in the work shop