This is a Puddingstone handled pocket knife with 440C steel. Stone scales are made with Jasper Conglomerate...locally known as puddingstone. This has a lock back, butt end locking mechanism. Coloring of the knife may be different than pictured if this specific knife is no longer in stock we will substitute with the same style knife and best coloring available. We will email you with color options if pictured knife is no longer in stock.