Universal External Thread Repairer/Chaser - Metric/Imperial

Restores metric or imperial right-hand or left-hand threads.
Self-adjusting to any pitch & size within range.
Quick, adjustable thread restorer with 55° - 60° angle blade.
Automatically chases good threads to repair the damage.
4"?19mm (5/32"?"?3/4"?),
Pipe threads up to 7/16"?,
60°, ISO, UNC, UNF, NPT,
55°, BSW, BSF, BSP.