The Leatherman Surge is one of the largest multi-tools available; a real powerhouse, built with large pliers, long multi-tool blades and easy-to-use locks. A unique blade exchanger, large and small bit dirvers and four outside-opening blades give you quick access to the tools you use most. The Surge was built for tough jobs and the hands that do them. The latest (2013/2015) Leatherman powerhouse with 21 functions. The all-rounder among the multi-tools.