I've own a bunch of different leathermen - the ONLY one that became an EDC (except for a squit on the keyring - doesn't count) is the TTi. Why? It's the first one I found where the KNIFE was any good. Before thay, the Ti came close with the 154CM blade, but I didn't buy/try that. The TTi with the S30V blade came out and I said to myself - you know, if the blade is good enough, you can stop carrying your pocket knife. It was, I did