External tools guide
Turn handle (A) to raise floating blades (B). Place the Nes External tool over thread to be repaired.
Turn handle (A) to lower floating blades into grooves of thread and tighten by hand only.
Turn the Nes External tool in direction of the arrow.
Internal tools guide
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.
Turn knurled knob (K) to extend blade (B) into a thread groove on an undamaged section and tighten by hand only.
Rotate the Nes Internal tool by the cross-rod, as shown, in the desired direction.