Extrema Ratio RAO AVIO 4.7" N690 Folding Knife with Sheath and Survival Kit 5 stretches the design’s envelope

5 stretches the design’s envelope to offer a more hand-filling size and the enhanced cutting power of a 3

This can damage the tip and leave it duller than the rest of the blade

and that's why 99

New flat-ground version

Extrema Ratio RAO AVIO 4.7" N690 Folding Knife with Sheath and Survival Kit 5 stretches the design’s envelopeRAO AVIO is the survival version chosen by the Italian Air Force to complement the equipment package of Eurofighter Typhoon aircraft. The sheath holds the knife in open position. The improved survival kit includes: whistle, pocket chain saw, water purifying tabs, compass, copper wire, flint and fire striker, LED light, 2. 5 mts paracord and diamond plate sharpener. The kit is contained in a pocket fastened to the sheath by a MOLLE system. Weight g.: