External tools guide 1. OpenTurn handle (A) to raise floating blades (B). Place the Nes External tool over thread to be repaired. 2. CloseTurn handle (A) to lower floating blades into grooves of thread and tighten by hand only. 3. TurnTurn the Nes External tool in direction of the arrow. Internal tools guide 1. InsertTurn 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. 2. AdjustTurn knurled knob (K) to extend blade (B) into a thread groove on an undamaged section and tighten by hand only. 3. RotateRotate the Nes Internal tool by the cross-rod, as shown, in the desired direction.