MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Hand taps and carbon steel round adjustable dies, number of sizes 20, cimbination unc/unf metric sizes, 1/4-20 unc, 1/4-28 unf, 5/16-24 unf, 3/8-16 unc, 3/8-24 unf, 7/16-14 unc, 7/16-20 unf, 1/2-13 unc, 1/2-20 unf, 9/16-18 unf, 5/8-11 unc, 5/8-18 unf, 3/4-10 unc, 3/4-16 unf, 1-8 unc, 1-12 unf, in a metal case,