The item measures 3.50 inches in width, features three flanges modified for tapped holes, and includes helical inserts MS122079 with a thread size of 0.1640-32 UNC-2B, break tangs at 12 places; it is made from aluminum per QQ-A-200 and QQ-A-250 specifications, and has a temperature range of minus 40 degrees Celsius to plus 71 degrees Celsius.