9/16"-18 tpi Left-Hand NF-SAE Rethreading Die from 240 /per Qty. Add to Cart This item is currently on backorder, but you can still purchase it now and we'll ship as soon as more become available. 9/16"-18 tpi Left-Hand NF-SAE thread-restoring die (7/8" across the flats) For left-hand threads Silver zinc–plated MADE IN USA SKU:9/16LFD