The Mac Tools EM111 20A-1500A AC DC Current Amp Probe Clamp Meter is a high-quality diagnostic tool designed for measuring electrical currents in a range of automobiles. Made by Mac Tools, a reputable brand known for producing reliable automotive tools, this meter comes with probes for easy testing and a sturdy box for storage. The manufacturer part number EM111 and model name Mac Tools EM111 indicate the specific product being offered. This meter, made in the United States, is a valuable addition to any automotive diagnostic service tool collection.