This package contains both the Voltclaw-12 and the Voltclaw Multi-Gauge. The two tools can be used at the same time for additional safety. For example, hold the wires with the Voltclaw Multi-Gauge while removing the twist-on wire connector with the Voltclaw -12 Always turn off breakers with working on electrical systems. Do not use if wet. Do not use it damaged. One-year limited warranty.