Thread Alignment Tool aligns threading die to barrel. 14mm X 1mm Left hand thread. Designed to aid in threading or cleaning up threads on .30 caliber rifles threaded 14mm x 1mm LH, such as the AK-47 in 7.62 x 39mm.
Big Book Catalog, Issue:67, Page:173
Law Enforcement / Police Store, Issue:08, Page:027
New Product Supplement, Issue:581, Page:002