This Radius model has a titanium handle and a satin M390 blade. Fox Knives does it again with the radius, and back to back Blade Show Knife of the Year awards! Designed by Denis Simonutti, the Radius features a new lock that takes major strides in the directions of safety, ease of use, and fidgeting. To open, use the stud to rotate around the pivot, opening the blade. To close, just push down on the stud, and rotate it back. The Radius is a statement of a knife that will bring a smile to your face each time you open it! Features: New locking mechanism allows for controlled opening and and a great fidget factor. Milled titanium pocket clip maintains the premium feel, and holds the knife securely. Premium M390 blade maximizes cutting performance and durability