Description 1″ Square Tube Die x 4″ CLR 120 Degree Die Includes Main Die, Follower and Retaining Strap Minimum Wall Thickness Maximum Wall Thickness 0.065″ 0.083″ There are no set specifications for aluminum and stainless minimum wall thickness. Swelling of the tube can be a problem for aluminum and stainless square tubing. It is best to send a sample of your tube for testing.
