The Anglo American Tools External Thread Repair Kits, Nos. NES1000 and NES1300, contain tools that are self-adjusting to any pitch and size within range. The tools do not require calibration or thread type identification. With one-hand operation, the tools restore inch or metric and right- or left-handed fastener threads. Kit No. NES1000 offers two tools with a combined internal diameter range of 5/32" to 1-1/2". Kit No. NES1300 contains three tools that combine to service internal diameters from 5/32" to 6".