Hex Threading Die, Thread Size 1/4 In. -28, UNF, Solid, Outside Dia. 19/32 in, Die Material Carbon Steel, Finish - Machining Bright, Thread Type UNF, Threads per Inch 28, Thread Direction Right Hand, Die Thickness 1/4 in, Die Shape Hex, Hex Size 0.5344 in. This item has been restricted from sale in the following state (s): []