These are 9/16x24LH. Standard FN FAL thread pitch Die Diameter is 1.5". Needs 1.5" die handle.
We highly recommend the Thread Alignment Tool(TAT) and Die Stock Handle to to make threading your barrel as easy as possible and to ensure the threads are straight not crooked. TAT and Handle sold separately.
Dies do not have any warranty. If you over tighten the die holder you can crack the die. If you do not use oil you can break cutting teeth from the die.
