External tools guide
![](https://www.nes.co.il/wp-content/uploads/2017/03/g_ex1.gif)
1. Open
Turn handle (A) to raise floating blades (B). Place the Nes External tool over thread to be repaired.
![](https://www.nes.co.il/wp-content/uploads/2017/03/g_ex2.gif)
2. Close
Turn handle (A) to lower floating blades into grooves of thread and tighten by hand only.
![](https://www.nes.co.il/wp-content/uploads/2017/03/g_ex3.gif)
3. Turn
Turn the Nes External tool in direction of the arrow.
Internal tools guide
![](https://www.nes.co.il/wp-content/uploads/2017/03/g_in1.gif)
1. Insert
Turn knurled knob (K) to fully retract the blade (B) into housing (H). Insert Nes Internal tool into the threaded hole or bore to be repaired.
![](https://www.nes.co.il/wp-content/uploads/2017/03/g_in2.gif)
2. Adjust
Turn knurled knob (K) to extend blade (B) into a thread groove on an undamaged section and tighten by hand only.
![](https://www.nes.co.il/wp-content/uploads/2017/03/g_in3.gif)
3. Rotate
Rotate the Nes Internal tool by the cross-rod, as shown, in the desired direction.