Checkout the manufacturer site for more details;
http://www.nes.co.il Range: 32mm - 128mm 1-1/4"-6"
Features:
- One tool restores Inch or Metric RH or LH threads!
- No Calibration required
- Self adjusting to any pitch and size within range
- Automatically chases good thread sections to repair the damaged parts!
- Hardened cutting blades (HSS)
- Removes rust and burrs
NES 3 EXTERNAL THREAD REPAIR TOOL