A one-hand opening design is crucial, as is the durable stainless body, the variety of 14 tools, and mulitple versions that are specialized for any situation Built to be tough and accessible Ballistic nylon sheath included As the #1 selling multi-tool platform to the US military, the MP600 series has been to hell and back. Serving those who serve, this tool is built to be tough and accessible. A one-hand opening design is crucial, as is the durable stainless body, the variety of 14 tools, and multiple versions that are specialized for any situation.