The Irwin IRW10507695 Folding Trapezoid Knife has a fast change mechanism that allows for easy blade removal and reversal without opening. It also features an in-built wire stripper for convenience. The compact design is lightweight and durable with an extended thumb ledge that is manufactured from stainless steel, to provide superior handling. The knife also features a safety lock, with a 45 degree angle quick change to prevent accidental release, and a built-in belt clip for convenient storage. The IRW10507695 Irwin Folding Trapezoid Knife is supplied with 3 shatterproof Blue Blade Bi Metal Technology blades.