Chasm FL154R Folding Knife 3.25in CPM 154 6AL-4V Titanium Handle Ruby Chasm – FL154R-Ruby. This version features a blade made from premium CPM 154 steel with a natural stone finish. The iconic recurve edge allows for multiple cutting points with smooth transitions creating a seamless razor edge. The Chasm rides on phosphor bronze washers for a smooth controlled action.The handles hardware and ambidextrous pocket clip on this midsize frame lock folding knife are all constructed from 6al-4v titanium to ensure longevity and toughness. A standard 1/4in hole at the rear of the knife allows you to add your favorite lanyard or bead.