Oknife XEN-OAL Ultra-Lightweight Frame-Lock Pocket KnifeOknife XEN OAL Ultra Lightweight Frame Lock Pocket Knife Designed by world famous knife maker Ken Onion b) The worlds first frame lock folding knife with aluminum handle c) Ultra Lightweightthe world's lightest 3 inch blade folding knife with OAL super aluminum handle, only 73g(2. 57 oz). Compared to titanium handle folding knives of the same size, its handle is 37% lighter and overall weight is 20% lighter. Compared to steel alloy handle folding