WELZH Universal Thread Repair Tool, 4-19mm 2813-WW 2813WW

Universal Use.
One tool restores inches & metric thread spacings.
No Calibration Required: Self adjust to any pitch & size within range.
Chases improved thread form & repairs any damage.
Right Handed or Left Handed threads.
Pipe Sizes: 5/32″-3/4″ equivalent to 4-19mm.
Repairing pipe threads up to 7/16″.

Thread Compatibility:
60°, ISO, UNC, UNF, NPT.
55°, BSW, BSF, BSP.