CRKT - Part Serrated Onion Shenanigan PPS Linerlock Knife with Polyphenylene Sulfide (PPS) Organic Polymer Frame. Model: CRK480KKS. 4 7/8" closed linerlock. 3 1/4" partially serrated AUS-8 bead blast finish blade. Flipper opening mechanism with Teflon and bronze bushings allows for smooth one-hand opening. Polyphenylene sulfide (PPS) organic polymer frame with checkered grip pattern. Black finish stainless pocket clip. Designed by Ken Onion.