Buck Knives 373 Trio 2.5 inch Folding Knife - Traditional, convenient, and multi-purpose. Slightly smaller, than the Stockman, the Trio pocket knife also has the same three convenient blades. Features: Three different blades: 2.5in Modifed Clip Blade 1.75in Sheepsfoot Blade 1.69in Spey Blade Each blade is put through a rigorous heat treat process and quality performance test. Each Buck knife is warrantied to be free from defects and workmanship for the life of the knife.