Designed by Darriel Caston of D Rocket Design the MinimalX is an evolution of a knife originally made for SpaceX to commemorate a rocket launch. Darriel's work caught the eye of someone in the company who commissioned him to make a custom series of knives for the crew. The MinimalX is all about fitting as much strength and durability into as small a package as possible for a capable everyday carry you can take anywhere-even to outer space. Superior Performance: 12C27 blade steel for excellent edge retention Smooth Opening: IKBS ball bearing pivot deploys the blade smooth Ultimate Durability: Stainless steel handle withstands hard use Brute Strength: Frame lock utilizes a thick lock bar to secure the blade Low Profile: pocket clip provides secure carry Multipurpose utility : Cleaver blade with sharpened front edge useful for push cutting.