A nice feature of this tool is the spring-loaded blade change. Unlike the twist-to-lock types, this one never looses the blade lock, so you can rest assured to use it. There are three different blades in the kit, but the plastic holders for them aren't marked, so get started right away. Silver blades are suitable for stainless steel, dark blades for brass, aluminum, copper and other non-ferrous metals, as well as wood, and a thin blade for removing chips and holes. Please note that for other…