Spyderco Mariner Salt Rust Free SS Serrated Edge Knife Features a blade ground from H-1 steel, an exclusive material that provides excellent cutting performance yet is completely impervious to rust Hollow-ground sheepfoot blade with fully serrated (SpyderEdge) cutting edge Mid-positioned back lock with David Boye Dent locks blade securely open and prevents accidental closure Solid stainless steel handle is extremely strong and provides an excellent surface for engraving Stainless steel pocket clip supports right-side tip-down carry for immediate access