Designed for one-handed operation, SOG's S66-N PowerAssist Multi-Tool ($68) features internal gear drive system to assist and increase grip strength, closing force of the heavy-duty pliers, cutter and crimpers. This multi-tool is also equipped with full serrated and straight edge blades, as well as a V-cutter, file, bottle opener/small screwdriver, can opener/medium screwdriver and Phillips screwdriver.