This updated version of the Super Tool 200 has stronger pliers, longer knife blades and three wire cutting surfaces. Along with these beefed up features, Core has comfortable handles, easy to use locks, and blades that open one at a time. The Core is the first Leatherman to feature hollow ground screwderivers in the standard sizes professionals use. Core is one solid tool for your toughest jobs. It is available with leather or nylon sheaths.